Natuna is an islands regency located in the northernmost part of the Province of Riau Islands. It contains at least 154 islands, of which 127 of them are reported as uninhabited. This archipelago, with 264,198.37 sq km area,[6] contains the island district of Pulau Laut, Bunguran/Greater Natuna Island, the island district of Pulau Tiga, the island district of Midai, the island district of Subi, and the island district of Serasan.