Mahon conventionally known as Port Mahon in English, is a municipality and the capital of Minorca, located in the eastern part of the autonomous community of the Balearic Islands, Spain. Mahon has the second deepest natural harbour in the world: 5 km long and up to 900 metres wide. The water is deep but it remains mostly clear due to it being slightly enclosed.
Its population in 2009 was estimated to be 29,495 inhabitants