A system, method and medium for determining and displaying one or more locales on a web browser. The method can include the steps of providing in the web browser a plurality of display regions, associating a locale with a plurality of web pages, selecting by a user a user-specified locale, associating the locale with one or more particular display regions, and determining whether the locale is mandatory. If the locale is mandatory, content associated with the user-specified locale can be translated to content associated with the locale. Finally, content is displayed in the one or more particular frames in accordance with the locale.