The Banda Islands are a volcanic group of ten small volcanic islands in the Banda Sea, about 140 km south of Seram Island and about 2,000 km east of Java, and constitute an administrative district within the Central Maluku Regency in the Indonesian province of Maluku. The islands rise out of 4-to-6-kilometre deep ocean and have a total land area of approximately 172 square kilometres. They had a population of 18,544 at the 2010 Census and 20,924 at the 2020 Census. Until the mid-19th century the Banda Islands were the world's only source of the spices nutmeg and mace, produced from the nutmeg tree. The islands are also popular destinations for scuba diving and snorkeling. The main town and administrative centre is Bandanaira, located on the island of the same name.