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 2,001.30 km out of a total area of 264,198.37 km area, This area is divided into island clusters such as the Natuna Island Cluster and the Serasan Island Cluster. However, several other islands that are not located in the two clusters are spread over a wider area. This division reflects the geographical and administrative location of the district, but there are also other small islands that are outside these two main clusters and are not always included in the grouping. Administratively, this area is divided into 17 districts (kecamatan) which function to facilitate management and services for the local community and support the development of the potential of the region which is rich in natural resources and tourism. This regency also plays an important role in maintaining Indonesia's sovereignty in the northern border area.
With 69,003 inhabitants at the 2010 Census and 81,495 at the 2020 Census, most of the population are Malays with 11% of Javanese migrants, Chinese, Minang, Batak, Banjar people, Dayak people, Buginese people, Sundanese people, and tiny percentage of migrants who come from Sulawesi, Bali, and other provinces across Indonesia. The official estimate as at mid 2025 was 86,760 (comprising 44,580 males and 42,180 females).