リアウ諸島
Bintan, is the largest among the 3,200 islands of Riau Archipelago and is located east of the Batam Island. It has a coast line of and has rolling topography in its landform. The Riau Islands are a province of Indonesia, which encompassed the Riau Archipelago, Natuna Islands, Anambas, and Lingga Islands; in July 2004 the islands of Riau were divided from the existing Riau Province to form the new province with its capital at Tanjung Pinang. The archipelagos of Anambas and Natuna, located between mainland Malaysia and Borneo, are now part of this province