diff --git a/src/wp-admin/js/customize-nav-menus.js b/src/wp-admin/js/customize-nav-menus.js
index 6dea2b4f2a..3bcbb2c7af 100644
--- a/src/wp-admin/js/customize-nav-menus.js
+++ b/src/wp-admin/js/customize-nav-menus.js
@@ -24,7 +24,8 @@
 		defaultSettingValues: {
 			nav_menu: {},
 			nav_menu_item: {}
-		}
+		},
+		locationSlugMappedToName: {}
 	};
 	if ( 'undefined' !== typeof _wpCustomizeNavMenusSettings ) {
 		$.extend( api.Menus.data, _wpCustomizeNavMenusSettings );
@@ -805,19 +806,21 @@
 		/**
 		 * @param {array} themeLocations
 		 */
-		updateAssignedLocationsInSectionTitle: function( themeLocations ) {
+		updateAssignedLocationsInSectionTitle: function( themeLocationSlugs ) {
 			var section = this,
 				$title;
 
 			$title = section.container.find( '.accordion-section-title:first' );
 			$title.find( '.menu-in-location' ).remove();
-			_.each( themeLocations, function( themeLocation ) {
-				var $label = $( '<span class="menu-in-location"></span>' );
-				$label.text( api.Menus.data.l10n.menuLocation.replace( '%s', themeLocation ) );
+			_.each( themeLocationSlugs, function( themeLocationSlug ) {
+				var $label, locationName;
+				$label = $( '<span class="menu-in-location"></span>' );
+				locationName = api.Menus.data.locationSlugMappedToName[ themeLocationSlug ];
+				$label.text( api.Menus.data.l10n.menuLocation.replace( '%s', locationName ) );
 				$title.append( $label );
 			});
 
-			section.container.toggleClass( 'assigned-to-menu-location', 0 !== themeLocations.length );
+			section.container.toggleClass( 'assigned-to-menu-location', 0 !== themeLocationSlugs.length );
 
 		},
 
diff --git a/src/wp-includes/class-wp-customize-nav-menus.php b/src/wp-includes/class-wp-customize-nav-menus.php
index 5453c175a8..8d2b6d5b8e 100644
--- a/src/wp-includes/class-wp-customize-nav-menus.php
+++ b/src/wp-includes/class-wp-customize-nav-menus.php
@@ -350,7 +350,7 @@ final class WP_Customize_Nav_Menus {
 				'untitled'          => _x( '(no label)', 'missing menu item navigation label' ),
 				'unnamed'           => _x( '(unnamed)', 'Missing menu name.' ),
 				'custom_label'      => __( 'Custom Link' ),
-				/* translators: %s: menu location slug */
+				/* translators: %s: menu location */
 				'menuLocation'      => _x( '(Currently set to: %s)', 'menu' ),
 				'menuNameLabel'     => __( 'Menu Name' ),
 				'itemAdded'         => __( 'Menu item added' ),
@@ -381,6 +381,7 @@ final class WP_Customize_Nav_Menus {
 				'nav_menu'      => $temp_nav_menu_setting->default,
 				'nav_menu_item' => $temp_nav_menu_item_setting->default,
 			),
+			'locationSlugMappedToName' => get_registered_nav_menus(),
 		);
 
 		$data = sprintf( 'var _wpCustomizeNavMenusSettings = %s;', wp_json_encode( $settings ) );