Tinian Municipality is one of the four constituent municipalities of the Northern Mariana Islands. It consists of the islands of Tinian and Aguijan and their offshore islets. The municipality is the second southernmost in the Northern Marianas and has a land area of 108.1 km² (41.738 sq mi). The 2000 census population was 3,540 persons, all living on the island of Tinian (Aguijan is uninhabited). The municipal seat and main village of the island of Tinian is San Jose, situated on the southwest coast.