Langkat Regency () is the northernmost regency of North Sumatra Province in Indonesia. Its administrative centre is the town of Stabat. It has a land area of 6,263.29km2 and its population was 967,535 at the 2010 Census and 1,030,202 at the 2020 Census; the official estimate as of mid 2025 was 1,089,969 (comprising 550,151 males and 539,818 females). Its population is roughly equivalent to that of Djibouti.

Immediately to the south is Karo Regency, to the east is Deli Serdang Regency (which surrounds the city of Medan) and the city of Binjai (formerly part of Langkat Regency), to the northeast lies the Strait of Malacca and to the west lies Aceh Province.

Administrative districts

Langkat Regency is divided into twenty-three administrative districts (Indonesian: kecamatan), tabulated below with their areas and their populations at the 2010 Census and the 2020 Census, together with the official estimates as of mid 2025. The table also includes the locations of the district administrative centres, the number of administrative villages in each district (totaling 240 rural desa and 37 urban kelurahan), and its post code.Notes: (a) adjacent to, but not part of Binjai city. (b) the kelurahan of Dendang, Kwala Bingai, Paya Mabar, Perdamaian, Sidomulyo and Stabat Baru. (c) includes the offshore island of Pulau Selingkar. (d) the kelurahan of Brandan Barat, Brandan Timur, Brandan Timur Baru and Pelawi Utara. (e) the kelurahan of Alur Dua, Alur Dua Baru, Harapan Jaya, Sei Bilah Barat and Sei Bilah Timur. (f) the kelirahan of Bukit Kubu, Kampung Lama and Pekan Besitang. (g) includes the offshore islands of Pulau Kampai, Pulau Panjang, Pulau Rawa and Pulau Sembilan.

References