East Timor or Timor-Leste , Tetum: Timór Lorosa'e, officially the Democratic Republic of Timor-Leste (Portuguese: República Democrática de Timor-Leste, Tetum: Repúblika Demokrátika Timór-Leste), is a sovereign state in Maritime Southeast Asia. It comprises the eastern half of the island of Timor, the nearby islands of Atauro and Jaco, and Oecusse, an exclave on the northwestern side of the island, within Indonesian West Timor. The country's size is about 15,410 km (5,400 sq mi).