Niur is an island in

Riau Riau (Jawi script, Jawi: ) is a Provinces of Indonesia, province of Indonesia. It is located on the central eastern coast of the island of Sumatra, and extends from the eastern slopes of the Barisan Mountains to the Malacca Strait, including s ...

province close to the east coast of

Sumatra Sumatra () is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the list of islands by area, sixth-largest island in the world at 482,286.55 km2 (182,812 mi. ...

island,

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian Ocean, Indian and Pacific Ocean, Pacific oceans. Comprising over List of islands of Indonesia, 17,000 islands, including Sumatra, ...

. It is situated just south of

Baso (island) Basu (also Bakung, Baso) is an island in Riau province close to the east coast of Sumatra island, Indonesia. Basu is part of the Kuala Indragiri district of the Indragiri Hilir Regency Indragiri Hilir (or Lower Indragiri) is the most eastern ...

. The area of the island is 342 km².

References

http://islands.unep.ch/IHB.htm Islands of Sumatra {{Riau-geo-stub