West Sumbawa Regency () is a Regency (Kabupaten) of the Indonesian Province of West Nusa Tenggara. It is located on the island of Sumbawa and has an area of 1,743.58 km2. The regency was created on 18 December 2003 from what were at that time the westernmost five districts (kecamatan) of Sumbawa Regency. The population at the 2010 Census was 114,754,Biro Pusat Statistik, Jakarta, 2011. and at the 2020 Census was 145,798;Badan Pusat Statistik, Jakarta, 2021. the official estimate as at mid 2025 was 158,130 comprising 79,440 males and 78,690 females.Badan Pusat Statistik, Jakarta, 28 February 2025, Kabupaten Sumbawa Barat Dalam Angka 2025 (Katalog-BPS 1102001.5207) The capital is the town of Taliwang.
Poto Tano, the most important harbour of West Sumbawa, is easily accessible by ferry from Lombok.
Administrative districts West Sumbawa Regency originally comprised five districts (kecamatan) formerly part of Sumbawa Regency, but now consists of eight districts, tabulated below with their areas and their populations at the 2010 Census and the 2020 Census, together with the official estimates as at mid 2025.Badan Pusat Statistik, Jakarta, 27 February 2026, Kabupaten Sumbawa Barat Dalam Angka 2026 (Katalog-BPS 1102001.5207) The table also includes the locations of the district administrative centres, the number of administrative villages in each district (totaling 57 rural desa and 7 urban kelurahan - the latter all in Taliwang District), and its postal codes.
Kode Wilayah Name ofDistrict (kecamatan) Area in km2 Pop'n 2010Census Pop'n 2020Census Pop'n mid 2025EstimateAdmin centre No.ofvillages Postcode(s) 52.07.04 Sekongkang (a) 273.65 8,179 14,483 18,280Sekongkang Bawah 784457 52.07.01 Jereweh 527.63 8,370 9,764 10,070Beru 484456 52.07.08 Maluk 38.83 11,929 11,649 11,650Benete 584459 52.07.02 Taliwang (b) 153.71 44,136 57,610 59,090Kuang 15 (c) 84452 52.07.07 Brang Ene 252.62 5,088 6,589 7,150Manemeng 684455 52.07.05 Brang Rea 258.23 12,498 16,044 17,330Tepas 9 (d)84455 &84458 52.07.03 Seteluk 107.37 15,424 19,413 20,770Seteluk Tengah 1084457 52.07.06 Poto Tano (e) 130.23 9,327 12,513 13,810Senayan 884454 Totals 1,743.58 114,754 145,798 158,130 Taliwang 64
Notes: (a) including the small islands of Pulau Baban and Pulau Rantung off the southwest coast of Sumbawa. (b) including the small islands of Pulau Dua Ode, Pulau Dua Rea, Pulau Gera, Pulau Puyen, Pulau Sarang and Pulau Sesai off the west coast of Sumbawa. (c) comprises 7 urban kelurahan (Arab Kenangan, Bugis, Dalam, Kuang, Menala, Sampir and Telaga Bertong) and 8 desa. (d) Desa Beru, Tepas, Bangkat Monte and Sapugara Bree share the postcode 84458; Tepas Sepakat, Lamuntet, Rarak Ronges, Moteng and Seminar Salit share the postcode 84455.(e) including the islands of Pulau Belang, Pulau Kambing, Pulau Kenawa, Pulau Mandik1, Pulau Namo, Pulau Paserang and Pulau Ular situated in the Alas Strait off the northwest coast of Sumbawa.
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