diff --git a/core/modules/config_translation/src/Tests/ConfigTranslationDateFormatUiTest.php b/core/modules/config_translation/src/Tests/ConfigTranslationDateFormatUiTest.php
index ceb69d0..4690e47 100644
--- a/core/modules/config_translation/src/Tests/ConfigTranslationDateFormatUiTest.php
+++ b/core/modules/config_translation/src/Tests/ConfigTranslationDateFormatUiTest.php
@@ -38,20 +38,20 @@ protected function setUp() {
    * Tests date format translation behaviour.
    */
   public function testDateFormatUI() {
-    $this->drupalGet('admin/config/regional/date-time');
+    $this->drupalGet('admin/config/regional/settings/date-time');
 
     // Assert translation link unlocked date format.
-    $this->assertLinkByHref('admin/config/regional/date-time/formats/manage/medium/translate');
+    $this->assertLinkByHref('admin/config/regional/settings/date-time/formats/manage/medium/translate');
 
     // Assert translation link locked date format.
-    $this->assertLinkByHref('admin/config/regional/date-time/formats/manage/html_datetime/translate');
+    $this->assertLinkByHref('admin/config/regional/settings/date-time/formats/manage/html_datetime/translate');
 
     // Date pattern is visible on unlocked date formats.
-    $this->drupalGet('admin/config/regional/date-time/formats/manage/medium/translate/de/add');
+    $this->drupalGet('admin/config/regional/settings/date-time/formats/manage/medium/translate/de/add');
     $this->assertField('translation[config_names][core.date_format.medium][pattern]');
 
     // Date pattern is not visible on locked date formats.
-    $this->drupalGet('admin/config/regional/date-time/formats/manage/html_datetime/translate/es/add');
+    $this->drupalGet('admin/config/regional/settings/date-time/formats/manage/html_datetime/translate/es/add');
     $this->assertNoField('translation[config_names][core.date_format.html_datetime][pattern]');
   }
 
diff --git a/core/modules/config_translation/src/Tests/ConfigTranslationListUiTest.php b/core/modules/config_translation/src/Tests/ConfigTranslationListUiTest.php
index 8bd3d71..c656105 100644
--- a/core/modules/config_translation/src/Tests/ConfigTranslationListUiTest.php
+++ b/core/modules/config_translation/src/Tests/ConfigTranslationListUiTest.php
@@ -439,9 +439,9 @@ public function doFieldListTest() {
    */
   public function doDateFormatListTest() {
     // Get the date format listing.
-    $this->drupalGet('admin/config/regional/date-time');
+    $this->drupalGet('admin/config/regional/settings/date-time');
 
-    $translate_link = 'admin/config/regional/date-time/formats/manage/long/translate';
+    $translate_link = 'admin/config/regional/settings/date-time/formats/manage/long/translate';
     // Test if the link to translate the format is on the page.
     $this->assertLinkByHref($translate_link);
 
diff --git a/core/modules/config_translation/src/Tests/ConfigTranslationOverviewTest.php b/core/modules/config_translation/src/Tests/ConfigTranslationOverviewTest.php
index e7c58fd..04e1e2d 100644
--- a/core/modules/config_translation/src/Tests/ConfigTranslationOverviewTest.php
+++ b/core/modules/config_translation/src/Tests/ConfigTranslationOverviewTest.php
@@ -139,9 +139,9 @@ public function testHiddenEntities() {
     // configuration translation listings. Test a couple of them.
     $this->drupalGet('admin/config/regional/config-translation/date_format');
     $this->assertText('HTML Date');
-    $this->assertLinkByHref('admin/config/regional/date-time/formats/manage/html_date/translate');
+    $this->assertLinkByHref('admin/config/regional/settings/date-time/formats/manage/html_date/translate');
     $this->assertText('HTML Year');
-    $this->assertLinkByHref('admin/config/regional/date-time/formats/manage/html_year/translate');
+    $this->assertLinkByHref('admin/config/regional/settings/date-time/formats/manage/html_year/translate');
   }
 
   /**
diff --git a/core/modules/config_translation/src/Tests/ConfigTranslationUiTest.php b/core/modules/config_translation/src/Tests/ConfigTranslationUiTest.php
index b69357e..60d1076 100644
--- a/core/modules/config_translation/src/Tests/ConfigTranslationUiTest.php
+++ b/core/modules/config_translation/src/Tests/ConfigTranslationUiTest.php
@@ -439,10 +439,10 @@ public function testContactConfigEntityTranslation() {
   public function testDateFormatTranslation() {
     $this->drupalLogin($this->adminUser);
 
-    $this->drupalGet('admin/config/regional/date-time');
+    $this->drupalGet('admin/config/regional/settings/date-time');
 
     // Check for medium format.
-    $this->assertLinkByHref('admin/config/regional/date-time/formats/manage/medium');
+    $this->assertLinkByHref('admin/config/regional/settings/date-time/formats/manage/medium');
 
     // Save default language configuration for a new format.
     $edit = array(
@@ -450,7 +450,7 @@ public function testDateFormatTranslation() {
       'id' => 'custom_medium',
       'date_format_pattern' => 'Y. m. d. H:i',
     );
-    $this->drupalPostForm('admin/config/regional/date-time/formats/add', $edit, t('Add format'));
+    $this->drupalPostForm('admin/config/regional/settings/date-time/formats/add', $edit, t('Add format'));
 
     // Test translating a default shipped format and our custom format.
     $formats = array(
@@ -458,7 +458,7 @@ public function testDateFormatTranslation() {
       'custom_medium' => 'Custom medium date',
     );
     foreach ($formats as $id => $label) {
-      $translation_base_url = 'admin/config/regional/date-time/formats/manage/' . $id . '/translate';
+      $translation_base_url = 'admin/config/regional/settings/date-time/formats/manage/' . $id . '/translate';
 
       $this->drupalGet($translation_base_url);
 
diff --git a/core/modules/system/src/Tests/Common/FormatDateTest.php b/core/modules/system/src/Tests/Common/FormatDateTest.php
index 36589ef..a0fd3bf 100644
--- a/core/modules/system/src/Tests/Common/FormatDateTest.php
+++ b/core/modules/system/src/Tests/Common/FormatDateTest.php
@@ -60,7 +60,7 @@ function testAdminDefinedFormatDate() {
       'label' => 'Example Style',
       'date_format_pattern' => 'j M y',
     );
-    $this->drupalPostForm('admin/config/regional/date-time/formats/add', $edit, t('Add format'));
+    $this->drupalPostForm('admin/config/regional/settings/date-time/formats/add', $edit, t('Add format'));
 
     // Add a second date format with a different case than the first.
     $edit = array(
@@ -68,7 +68,7 @@ function testAdminDefinedFormatDate() {
       'label' => 'Example Style Uppercase',
       'date_format_pattern' => 'j M Y',
     );
-    $this->drupalPostForm('admin/config/regional/date-time/formats/add', $edit, t('Add format'));
+    $this->drupalPostForm('admin/config/regional/settings/date-time/formats/add', $edit, t('Add format'));
     $this->assertText(t('Custom date format added.'));
 
     $timestamp = strtotime('2007-03-10T00:00:00+00:00');
diff --git a/core/modules/system/src/Tests/System/AdminTest.php b/core/modules/system/src/Tests/System/AdminTest.php
index 8921ad0..2dd52b3 100644
--- a/core/modules/system/src/Tests/System/AdminTest.php
+++ b/core/modules/system/src/Tests/System/AdminTest.php
@@ -83,7 +83,6 @@ function testAdminPages() {
       $this->drupalGet($page);
       $this->assertLinkByHref('admin/config');
       $this->assertLinkByHref('admin/config/regional/settings');
-      $this->assertLinkByHref('admin/config/regional/date-time');
       $this->assertLinkByHref('admin/config/regional/language');
       $this->assertNoLinkByHref('admin/config/regional/language/detection/session');
       $this->assertNoLinkByHref('admin/config/regional/language/detection/url');
@@ -100,7 +99,6 @@ function testAdminPages() {
       $this->drupalGet($page);
       $this->assertLinkByHref('admin/config');
       $this->assertNoLinkByHref('admin/config/regional/settings');
-      $this->assertNoLinkByHref('admin/config/regional/date-time');
       $this->assertNoLinkByHref('admin/config/regional/language');
       $this->assertNoLinkByHref('admin/config/regional/language/detection/session');
       $this->assertNoLinkByHref('admin/config/regional/language/detection/url');
diff --git a/core/modules/system/src/Tests/System/DateFormatsLockedTest.php b/core/modules/system/src/Tests/System/DateFormatsLockedTest.php
index c8a0a67..0be565d 100644
--- a/core/modules/system/src/Tests/System/DateFormatsLockedTest.php
+++ b/core/modules/system/src/Tests/System/DateFormatsLockedTest.php
@@ -20,22 +20,22 @@ public function testDateLocking() {
     // Locked date formats are not linked on the listing page, locked date
     // formats are clearly marked as such; unlocked formats are not marked as
     // "locked".
-    $this->drupalGet('admin/config/regional/date-time');
-    $this->assertLinkByHref('admin/config/regional/date-time/formats/manage/short');
-    $this->assertNoLinkByHref('admin/config/regional/date-time/formats/manage/html_date');
+    $this->drupalGet('admin/config/regional/settings/date-time');
+    $this->assertLinkByHref('admin/config/regional/settings/date-time/formats/manage/short');
+    $this->assertNoLinkByHref('admin/config/regional/settings/date-time/formats/manage/html_date');
     $this->assertText('Fallback date format');
     $this->assertNoText('short (locked)');
 
     // Locked date formats are not editable.
-    $this->drupalGet('admin/config/regional/date-time/formats/manage/short');
+    $this->drupalGet('admin/config/regional/settings/date-time/formats/manage/short');
     $this->assertResponse(200);
-    $this->drupalGet('admin/config/regional/date-time/formats/manage/html_date');
+    $this->drupalGet('admin/config/regional/settings/date-time/formats/manage/html_date');
     $this->assertResponse(403);
 
     // Locked date formats are not deletable.
-    $this->drupalGet('admin/config/regional/date-time/formats/manage/short/delete');
+    $this->drupalGet('admin/config/regional/settings/date-time/formats/manage/short/delete');
     $this->assertResponse(200);
-    $this->drupalGet('admin/config/regional/date-time/formats/manage/html_date/delete');
+    $this->drupalGet('admin/config/regional/settings/date-time/formats/manage/html_date/delete');
     $this->assertResponse(403);
   }
 
diff --git a/core/modules/system/src/Tests/System/DateFormatsMachineNameTest.php b/core/modules/system/src/Tests/System/DateFormatsMachineNameTest.php
index a7c304a..6b8b479 100644
--- a/core/modules/system/src/Tests/System/DateFormatsMachineNameTest.php
+++ b/core/modules/system/src/Tests/System/DateFormatsMachineNameTest.php
@@ -33,7 +33,7 @@ public function testDateFormatsMachineNameAllowedValues() {
       'id' => 'something.bad',
       'date_format_pattern' => 'Y-m-d',
     );
-    $this->drupalPostForm('admin/config/regional/date-time/formats/add', $edit, t('Add format'));
+    $this->drupalPostForm('admin/config/regional/settings/date-time/formats/add', $edit, t('Add format'));
     $this->assertText(t('The machine-readable name must be unique, and can only contain lowercase letters, numbers, and underscores. Additionally, it can not be the reserved word "custom".'), 'It is not possible to create a date format with the machine name that has any character other than lowercase letters, digits or underscore.');
 
     // Try to create a date format with the reserved machine name "custom".
@@ -42,7 +42,7 @@ public function testDateFormatsMachineNameAllowedValues() {
       'id' => 'custom',
       'date_format_pattern' => 'Y-m-d',
     );
-    $this->drupalPostForm('admin/config/regional/date-time/formats/add', $edit, t('Add format'));
+    $this->drupalPostForm('admin/config/regional/settings/date-time/formats/add', $edit, t('Add format'));
     $this->assertText(t('The machine-readable name must be unique, and can only contain lowercase letters, numbers, and underscores. Additionally, it can not be the reserved word "custom".'), 'It is not possible to create a date format with the machine name "custom".');
 
     // Try to create a date format with a machine name, "fallback", that
@@ -52,7 +52,7 @@ public function testDateFormatsMachineNameAllowedValues() {
       'id' => 'fallback',
       'date_format_pattern' => 'j/m/Y',
     );
-    $this->drupalPostForm('admin/config/regional/date-time/formats/add', $edit, t('Add format'));
+    $this->drupalPostForm('admin/config/regional/settings/date-time/formats/add', $edit, t('Add format'));
     $this->assertText(t('The machine-readable name is already in use. It must be unique.'), 'It is not possible to create a date format with the machine name "fallback". It is a built-in format that already exists.');
 
     // Create a date format with a machine name distinct from the previous two.
@@ -62,7 +62,7 @@ public function testDateFormatsMachineNameAllowedValues() {
       'id' => $id,
       'date_format_pattern' => 'd/m/Y',
     );
-    $this->drupalPostForm('admin/config/regional/date-time/formats/add', $edit, t('Add format'));
+    $this->drupalPostForm('admin/config/regional/settings/date-time/formats/add', $edit, t('Add format'));
     $this->assertText(t('Custom date format added.'), 'It is possible to create a date format with a new machine name.');
 
     // Try to create a date format with same machine name as the previous one.
@@ -71,7 +71,7 @@ public function testDateFormatsMachineNameAllowedValues() {
       'id' => $id,
       'date_format_pattern' => 'd-m-Y',
     );
-    $this->drupalPostForm('admin/config/regional/date-time/formats/add', $edit, t('Add format'));
+    $this->drupalPostForm('admin/config/regional/settings/date-time/formats/add', $edit, t('Add format'));
     $this->assertText(t('The machine-readable name is already in use. It must be unique.'), 'It is not possible to create a new date format with an existing machine name.');
   }
 
diff --git a/core/modules/system/src/Tests/System/DateTimeTest.php b/core/modules/system/src/Tests/System/DateTimeTest.php
index 9ca050f..e4eea46 100644
--- a/core/modules/system/src/Tests/System/DateTimeTest.php
+++ b/core/modules/system/src/Tests/System/DateTimeTest.php
@@ -78,7 +78,7 @@ function testTimeZoneHandling() {
    */
   function testDateFormatConfiguration() {
     // Confirm 'no custom date formats available' message appears.
-    $this->drupalGet('admin/config/regional/date-time');
+    $this->drupalGet('admin/config/regional/settings/date-time');
 
     // Add custom date format.
     $this->clickLink(t('Add format'));
@@ -90,21 +90,21 @@ function testDateFormatConfiguration() {
       'label' => $name,
       'date_format_pattern' => $date_format,
     );
-    $this->drupalPostForm('admin/config/regional/date-time/formats/add', $edit, t('Add format'));
+    $this->drupalPostForm('admin/config/regional/settings/date-time/formats/add', $edit, t('Add format'));
     $this->assertUrl(\Drupal::url('entity.date_format.collection', [], ['absolute' => TRUE]), [], 'Correct page redirection.');
     $this->assertText(t('Custom date format added.'), 'Date format added confirmation message appears.');
     $this->assertText($name, 'Custom date format appears in the date format list.');
     $this->assertText(t('Delete'), 'Delete link for custom date format appears.');
 
     // Edit the custom date format and re-save without editing the format.
-    $this->drupalGet('admin/config/regional/date-time');
+    $this->drupalGet('admin/config/regional/settings/date-time');
     $this->clickLink(t('Edit'));
     $this->drupalPostForm(NULL, NULL, t('Save format'));
-    $this->assertUrl('admin/config/regional/date-time', array('absolute' => TRUE), 'Correct page redirection.');
+    $this->assertUrl('admin/config/regional/settings/date-time', array('absolute' => TRUE), 'Correct page redirection.');
     $this->assertText(t('Custom date format updated.'), 'Custom date format successfully updated.');
 
     // Edit custom date format.
-    $this->drupalGet('admin/config/regional/date-time');
+    $this->drupalGet('admin/config/regional/settings/date-time');
     $this->clickLink(t('Edit'));
     $edit = array(
       'date_format_pattern' => 'Y m',
@@ -115,7 +115,7 @@ function testDateFormatConfiguration() {
 
     // Delete custom date format.
     $this->clickLink(t('Delete'));
-    $this->drupalPostForm('admin/config/regional/date-time/formats/manage/' . $date_format_id . '/delete', array(), t('Delete'));
+    $this->drupalPostForm('admin/config/regional/settings/date-time/formats/manage/' . $date_format_id . '/delete', array(), t('Delete'));
     $this->assertUrl(\Drupal::url('entity.date_format.collection', [], ['absolute' => TRUE]), [], 'Correct page redirection.');
     $this->assertRaw(t('The date format %format has been deleted.', array('%format' => $name)), 'Custom date format removed.');
 
@@ -132,7 +132,7 @@ function testDateFormatConfiguration() {
       'label' => $name,
       'date_format_pattern' => $date_format,
     );
-    $this->drupalPostForm('admin/config/regional/date-time/formats/add', $edit, t('Add format'));
+    $this->drupalPostForm('admin/config/regional/settings/date-time/formats/add', $edit, t('Add format'));
     $this->assertUrl(\Drupal::url('entity.date_format.collection', [], ['absolute' => TRUE]), [], 'Correct page redirection.');
     $this->assertText(t('Custom date format added.'), 'Date format added confirmation message appears.');
     $this->assertText($name, 'Custom date format appears in the date format list.');
@@ -157,7 +157,7 @@ function testDateFormatConfiguration() {
       'label' => $name,
       'date_format_pattern' => $date_format,
     );
-    $this->drupalPostForm('admin/config/regional/date-time/formats/add', $edit, t('Add format'));
+    $this->drupalPostForm('admin/config/regional/settings/date-time/formats/add', $edit, t('Add format'));
     $this->assertUrl(\Drupal::url('entity.date_format.collection', [], ['absolute' => TRUE]), [], 'Correct page redirection.');
     $this->assertText(t('Custom date format added.'), 'Date format added confirmation message appears.');
     $this->assertText($name, 'Custom date format appears in the date format list.');
diff --git a/core/modules/system/src/Tests/Update/UpdatePathRC1TestBaseFilledTest.php b/core/modules/system/src/Tests/Update/UpdatePathRC1TestBaseFilledTest.php
index eb95fce..f0ba8de 100644
--- a/core/modules/system/src/Tests/Update/UpdatePathRC1TestBaseFilledTest.php
+++ b/core/modules/system/src/Tests/Update/UpdatePathRC1TestBaseFilledTest.php
@@ -262,9 +262,9 @@ public function testUpdatedSite() {
     $this->assertText('Spanish');
 
     // Make sure our custom date format exists.
-    $this->drupalGet('admin/config/regional/date-time');
+    $this->drupalGet('admin/config/regional/settings/date-time');
     $this->assertText('Test date format');
-    $this->drupalGet('admin/config/regional/date-time/formats/manage/test_date_format');
+    $this->drupalGet('admin/config/regional/settings/date-time/formats/manage/test_date_format');
     $this->assertOptionSelected('edit-langcode', 'es');
 
     // Make sure our custom image style exists.
diff --git a/core/modules/system/src/Tests/Update/UpdatePathTestBaseFilledTest.php b/core/modules/system/src/Tests/Update/UpdatePathTestBaseFilledTest.php
index 6edbfe3..27619a3 100644
--- a/core/modules/system/src/Tests/Update/UpdatePathTestBaseFilledTest.php
+++ b/core/modules/system/src/Tests/Update/UpdatePathTestBaseFilledTest.php
@@ -262,9 +262,9 @@ public function testUpdatedSite() {
     $this->assertText('Spanish');
 
     // Make sure our custom date format exists.
-    $this->drupalGet('admin/config/regional/date-time');
+    $this->drupalGet('admin/config/regional/settings/date-time');
     $this->assertText('Test date format');
-    $this->drupalGet('admin/config/regional/date-time/formats/manage/test_date_format');
+    $this->drupalGet('admin/config/regional/settings/date-time/formats/manage/test_date_format');
     $this->assertOptionSelected('edit-langcode', 'es');
 
     // Make sure our custom image style exists.
diff --git a/core/modules/system/system.links.menu.yml b/core/modules/system/system.links.menu.yml
index b5f9d87..bd30ba7 100644
--- a/core/modules/system/system.links.menu.yml
+++ b/core/modules/system/system.links.menu.yml
@@ -89,17 +89,11 @@ system.admin_config_regional:
   description: 'Configure regional settings, localization, and translation.'
   weight: -5
 system.regional_settings:
-  title: 'Regional settings'
+  title: 'Regional and locale settings'
   parent: system.admin_config_regional
-  description: 'Configure the locale and timezone settings.'
+  description: 'Configure the locale and timezone settings, and how dates and times are displayed.'
   route_name: system.regional_settings
   weight: -20
-entity.date_format.collection:
-  title: 'Date and time formats'
-  parent: system.admin_config_regional
-  description: 'Configure how dates and times are displayed.'
-  route_name: entity.date_format.collection
-  weight: -9
 system.admin_config_search:
   title: 'Search and metadata'
   route_name: system.admin_config_search
diff --git a/core/modules/system/system.links.task.yml b/core/modules/system/system.links.task.yml
index a151835..409f622 100644
--- a/core/modules/system/system.links.task.yml
+++ b/core/modules/system/system.links.task.yml
@@ -55,10 +55,16 @@ system.admin_index:
   title: 'Index'
   weight: -18
 
-entity.date_format.collection:
+system.regional.settings:
+  route_name: system.regional_settings
+  base_route: system.regional_settings
+  title: 'Regional settings'
+
+system.regional.date_format:
   route_name: entity.date_format.collection
-  base_route: entity.date_format.collection
-  title: 'List'
+  base_route: system.regional_settings
+  title: 'Date and time formats'
+
 entity.date_format.edit_form:
   title: 'Edit'
   route_name: entity.date_format.edit_form
diff --git a/core/modules/system/system.routing.yml b/core/modules/system/system.routing.yml
index 547b083..d4fccd3 100644
--- a/core/modules/system/system.routing.yml
+++ b/core/modules/system/system.routing.yml
@@ -194,7 +194,7 @@ system.regional_settings:
   path: '/admin/config/regional/settings'
   defaults:
     _form: 'Drupal\system\Form\RegionalForm'
-    _title: 'Regional settings'
+    _title: 'Regional and locale settings'
   requirements:
     _permission: 'administer site configuration'
 
@@ -225,7 +225,7 @@ system.run_cron:
     _csrf_token: 'TRUE'
 
 entity.date_format.collection:
-  path: '/admin/config/regional/date-time'
+  path: '/admin/config/regional/settings/date-time'
   defaults:
     _entity_list: 'date_format'
     _title: 'Date and time formats'
@@ -233,7 +233,7 @@ entity.date_format.collection:
     _permission: 'administer site configuration'
 
 system.date_format_add:
-  path: '/admin/config/regional/date-time/formats/add'
+  path: '/admin/config/regional/settings/date-time/formats/add'
   defaults:
     _entity_form: 'date_format.add'
     _title: 'Add date format'
@@ -241,7 +241,7 @@ system.date_format_add:
     _permission: 'administer site configuration'
 
 entity.date_format.edit_form:
-  path: '/admin/config/regional/date-time/formats/manage/{date_format}'
+  path: '/admin/config/regional/settings/date-time/formats/manage/{date_format}'
   defaults:
     _entity_form: 'date_format.edit'
     _title: 'Edit date format'
@@ -249,7 +249,7 @@ entity.date_format.edit_form:
     _entity_access: 'date_format.update'
 
 entity.date_format.delete_form:
-  path: '/admin/config/regional/date-time/formats/manage/{date_format}/delete'
+  path: '/admin/config/regional/settings/date-time/formats/manage/{date_format}/delete'
   defaults:
     _entity_form: 'date_format.delete'
     _title: 'Delete date format'