Gibraltar /dʒɨˈbrɔːltər/ is a British Overseas Territory located on the southern end of the Iberian Peninsula at the entrance of the Mediterranean. It has an area of 6.8 square kilometres (2.6 sq mi) and a northern border with Andalusia, Spain. The Rock of Gibraltar is the only landmark of the region. At its foot is the densely populated city area, home to almost 30,000 Gibraltarians and other nationalities.