Gibraltar's territory covers  and shares a  land border with Spain. The town of La Línea de la Concepción, a municipality of the province of Cádiz, lies on the Spanish side of the border. The Spanish hinterland forms the comarca of Campo de Gibraltar (literally "Countryside of Gibraltar"). The shoreline measures  in length. There are two coasts ("Sides") of Gibraltar: the East Side, which contains the settlements of Sandy Bay and Catalan Bay; and the Westside, where the vast majority of the population lives. Gibraltar has no administrative divisions but is divided into seven Major Residential Areas.