Portugal (; ; ), officially the Portuguese Republic , is a country on the Iberian Peninsula, in southwestern Europe. It is the westernmost country of mainland Europe, being bordered by the Atlantic Ocean to the west and south and by Spain to the north and east. The Portugal-Spain border is 1,214 km (754 mi) long and considered the longest uninterrupted border within the European Union. The republic also holds sovereignty over the Atlantic archipelagos of the Azores and Madeira, both autonomous regions with their own regional governments.