diff --git a/UniversalLanguageSelector.php b/UniversalLanguageSelector.php
index 6dc82e87..da85f953 100644
--- a/UniversalLanguageSelector.php
+++ b/UniversalLanguageSelector.php
@@ -121,6 +121,7 @@ $wgResourceModules['jquery.uls'] = array(
 	'scripts' => array(
 		'lib/jquery.uls/src/jquery.uls.core.js',
 		'lib/jquery.uls/src/jquery.uls.languagefilter.js',
+		'lib/jquery.uls/src/jquery.uls.regionfilter.js',
 		'lib/jquery.uls/src/jquery.uls.lcd.js',
 	),
 	'styles' => array(
diff --git a/lib/jquery.uls/examples/index.html b/lib/jquery.uls/examples/index.html
index e14935ba..1a8bd49b 100644
--- a/lib/jquery.uls/examples/index.html
+++ b/lib/jquery.uls/examples/index.html
@@ -26,6 +26,7 @@
 		<script src="../src/jquery.uls.data.utils.js"></script>
 		<script src="../src/jquery.uls.lcd.js"></script>
 		<script src="../src/jquery.uls.languagefilter.js"></script>
+		<script src="../src/jquery.uls.regionfilter.js"></script>
 		<script src="../src/jquery.uls.core.js"></script>
 		<script>
 			$( document ).ready( function() {
diff --git a/lib/jquery.uls/src/jquery.uls.languagefilter.js b/lib/jquery.uls/src/jquery.uls.languagefilter.js
index 05f9f19d..0f4d98ce 100644
--- a/lib/jquery.uls/src/jquery.uls.languagefilter.js
+++ b/lib/jquery.uls/src/jquery.uls.languagefilter.js
@@ -266,121 +266,6 @@
 
 	$.fn.languagefilter.Constructor = LanguageFilter;
 
-	/* RegionSelector plugin definition */
-
-	/**
-	 * Region selector is a language selector based on regions.
-	 * Usage: $( 'jqueryselector' ).regionselector( options );
-	 * The attached element should have data-regiongroup attribute
-	 * that defines the regiongroup for the selector.
-	 */
-	var RegionSelector = function( element, options ) {
-		this.$element = $( element );
-		this.options = $.extend( {}, $.fn.regionselector.defaults, options );
-		this.$element.addClass( 'regionselector' );
-		this.regions = [];
-		this.regionGroup = this.$element.data( 'regiongroup' );
-		this.init();
-		this.listen();
-	};
-
-	RegionSelector.prototype = {
-		constructor: RegionSelector,
-
-		init: function() {
-			var region = this.$element.data( 'region' );
-			this.regions = $.uls.data.regionsInGroup( this.regionGroup );
-			if ( region ) {
-				this.regions.push( region );
-			}
-		},
-
-		test: function( langCode ) {
-			var langRegions = $.uls.data.regions( langCode ),
-				region;
-
-			for ( var i = 0; i < this.regions.length; i++ ) {
-				region = this.regions[i];
-				if ( $.inArray( region, langRegions ) >= 0 ) {
-					this.render( langCode, region );
-					return;
-				}
-			}
-		},
-
-		show: function() {
-			// Make the selected region (and it only) active
-			$( '.regionselector' ).removeClass( 'active' );
-			if ( this.regionGroup ) {
-				// if there is a region group, make it active.
-				this.$element.addClass( 'active' );
-			}
-
-			// Re-populate the list of languages
-			this.options.$target.empty();
-			var languagesByScriptGroup = $.uls.data.languagesByScriptGroup( this.options.languages );
-			for ( var scriptGroup in languagesByScriptGroup ) {
-				var languages = languagesByScriptGroup[scriptGroup];
-				languages.sort( $.uls.data.sortByAutonym );
-				for ( var i = 0; i < languages.length; i++ ) {
-					this.test( languages[i] );
-				}
-			}
-
-			if ( this.options.success ) {
-				this.options.success.call();
-			}
-		},
-
-		render: function( langCode, region ) {
-			var $target = this.options.$target;
-			if ( !$target ) {
-				return;
-			}
-			$target.append( langCode, region );
-		},
-
-		listen: function() {
-			this.$element.on( 'click', $.proxy( this.click, this ) );
-		},
-
-		click: function( e ) {
-			if( this.$element.hasClass( 'active' ) ) {
-				this.$element.removeClass( 'active' );
-				if ( this.options.noresults ) {
-					this.options.noresults.call();
-				}
-			} else {
-				this.show();
-			}
-		}
-	};
-
-	/* RegionSelector plugin definition */
-
-	$.fn.regionselector = function( option ) {
-		return this.each( function() {
-			var $this = $( this ),
-				data = $this.data( 'regionselector' ),
-				options = typeof option === 'object' && option;
-
-			if ( !data ) {
-				$this.data( 'regionselector', ( data = new RegionSelector( this, options ) ) );
-			}
-			if ( typeof option === 'string' ) {
-				data[option]();
-			}
-		} );
-	};
-
-	$.fn.regionselector.defaults = {
-		$target: null, // Where to render the results
-		success: null, // callback if any results found.
-		noresults: null, // callback when no results to show
-		languages: null
-	};
-
-	$.fn.regionselector.Constructor = RegionSelector;
 	/**
 	 * Check if a prefix is visually prefix of a string
 	 * @param String prefix
diff --git a/lib/jquery.uls/src/jquery.uls.regionfilter.js b/lib/jquery.uls/src/jquery.uls.regionfilter.js
new file mode 100644
index 00000000..80747bb5
--- /dev/null
+++ b/lib/jquery.uls/src/jquery.uls.regionfilter.js
@@ -0,0 +1,138 @@
+/**
+ * jQuery region filter plugin.
+ *
+ * Copyright (C) 2012 Alolita Sharma, Amir Aharoni, Arun Ganesh, Brandon Harris,
+ * Niklas Laxström, Pau Giner, Santhosh Thottingal, Siebrand Mazeland and other
+ * contributors. See CREDITS for a list.
+ *
+ * UniversalLanguageSelector is dual licensed GPLv2 or later and MIT. You don't
+ * have to do anything special to choose one license or the other and you don't
+ * have to notify anyone which license you are using. You are free to use
+ * UniversalLanguageSelector in commercial projects as long as the copyright
+ * header is left intact. See files GPL-LICENSE and MIT-LICENSE for details.
+ *
+ * @file
+ * @ingroup Extensions
+ * @licence GNU General Public Licence 2.0 or later
+ * @licence MIT License
+ */
+
+(function ( $ ) {
+	"use strict";
+
+	/* RegionSelector plugin definition */
+
+	/**
+	 * Region selector is a language selector based on regions.
+	 * Usage: $( 'jqueryselector' ).regionselector( options );
+	 * The attached element should have data-regiongroup attribute
+	 * that defines the regiongroup for the selector.
+	 */
+	var RegionSelector = function( element, options ) {
+		this.$element = $( element );
+		this.options = $.extend( {}, $.fn.regionselector.defaults, options );
+		this.$element.addClass( 'regionselector' );
+		this.regions = [];
+		this.regionGroup = this.$element.data( 'regiongroup' );
+		this.init();
+		this.listen();
+	};
+
+	RegionSelector.prototype = {
+		constructor: RegionSelector,
+
+		init: function() {
+			var region = this.$element.data( 'region' );
+			this.regions = $.uls.data.regionsInGroup( this.regionGroup );
+			if ( region ) {
+				this.regions.push( region );
+			}
+		},
+
+		test: function( langCode ) {
+			var langRegions = $.uls.data.regions( langCode ),
+				region;
+
+			for ( var i = 0; i < this.regions.length; i++ ) {
+				region = this.regions[i];
+				if ( $.inArray( region, langRegions ) >= 0 ) {
+					this.render( langCode, region );
+					return;
+				}
+			}
+		},
+
+		show: function() {
+			// Make the selected region (and it only) active
+			$( '.regionselector' ).removeClass( 'active' );
+			if ( this.regionGroup ) {
+				// if there is a region group, make it active.
+				this.$element.addClass( 'active' );
+			}
+
+			// Re-populate the list of languages
+			this.options.$target.empty();
+			var languagesByScriptGroup = $.uls.data.languagesByScriptGroup( this.options.languages );
+			for ( var scriptGroup in languagesByScriptGroup ) {
+				var languages = languagesByScriptGroup[scriptGroup];
+				languages.sort( $.uls.data.sortByAutonym );
+				for ( var i = 0; i < languages.length; i++ ) {
+					this.test( languages[i] );
+				}
+			}
+
+			if ( this.options.success ) {
+				this.options.success.call();
+			}
+		},
+
+		render: function( langCode, region ) {
+			var $target = this.options.$target;
+			if ( !$target ) {
+				return;
+			}
+			$target.append( langCode, region );
+		},
+
+		listen: function() {
+			this.$element.on( 'click', $.proxy( this.click, this ) );
+		},
+
+		click: function( e ) {
+			if( this.$element.hasClass( 'active' ) ) {
+				this.$element.removeClass( 'active' );
+				if ( this.options.noresults ) {
+					this.options.noresults.call();
+				}
+			} else {
+				this.show();
+			}
+		}
+	};
+
+	/* RegionSelector plugin definition */
+
+	$.fn.regionselector = function( option ) {
+		return this.each( function() {
+			var $this = $( this ),
+				data = $this.data( 'regionselector' ),
+				options = typeof option === 'object' && option;
+
+			if ( !data ) {
+				$this.data( 'regionselector', ( data = new RegionSelector( this, options ) ) );
+			}
+			if ( typeof option === 'string' ) {
+				data[option]();
+			}
+		} );
+	};
+
+	$.fn.regionselector.defaults = {
+		$target: null, // Where to render the results
+		success: null, // callback if any results found.
+		noresults: null, // callback when no results to show
+		languages: null
+	};
+
+	$.fn.regionselector.Constructor = RegionSelector;
+} )( jQuery );