The Natuna Islands archipelago (272 islands) is located in the South China Sea in the larger Tudjuh Archipelago, off the northwest coast of Borneo. The islands administratively a regency within the Riau Islands province of Indonesia and are the northernmost non-disputed island group of Indonesia. The Natuna islands are divided into three groups: North Natuna, which includes Laut Island (Pulau Laut); Middle Natuna, which includes Natuna Besar; and South Natuna, which includes Subi Besar.