Spain (ⁱ/ˈspeɪn/ SPAYN; Spanish: España [esˈpaɲa] ( listen)), officially the Kingdom of Spain (Spanish: Reino de España), is a sovereign state and a member of the European Union . It is located on the Iberian Peninsula in southwestern Europe. Its mainland is bordered to the south and east by the Mediterranean Sea except for a small land boundary with Gibraltar; to the north and north east by France, Andorra, and the Bay of Biscay; and to the west and northwest by Portugal and the Atlantic Ocean. The border with Spain (1,214 km long) is the longest uninterrupted border within the European Union.