Mahón, officially Maó, and also written as Mahon or Port Mahon in English, is the capital and second largest city of Menorca. The city is located …Mahón, officially Maó, and also written as Mahon or Port Mahon in English, is the capital and second largest city of Menorca. The city is located on the eastern coast of the island, which is part of the archipelago and autonomous community of the Balearic Islands.