Maó-Mahón, sometimes written in English as Mahon (Catalan: Maó [məˈo], Spanish: Mahón [maˈon]) is a municipality, capital city of the island Menorca, and seat of the Island Council of Menorca. The city located on the eastern coast of the island, which is part of the autonomous community of the Balearic Islands, Spain. Maó-Mahón has one of the largest natural harbours in the world: 5 km (3.1 mi) long and up to 900 metres (2,953 feet) wide.