Natuna Regency is an islands regency located in the northernmost part of the Province of Riau Islands, Indonesia. It contains at least 154 islands, of which 127 of them are reported as uninhabited. This archipelago, with a land area of 1,978.49 km2 out of a total area of 264,198.37 km2 area, This area is divided into island clusters such as the Natuna Island Cluster and the Serasan Island Cluster.