Horta is a municipality and city in the Portuguese archipelago of the Azores encompassing the island of Faial. The population in 2011 wa…Horta is a municipality and city in the Portuguese archipelago of the Azores encompassing the island of Faial. The population in 2011 was 15,038 in an area of 173.06 square kilometres The city of Horta itself has a population of about 7,000.