Siau Tagulandang Biaro Islands Regency

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Sitaro Islands Regency Kabupaten Kepulauan Sitaro Kabupaten Kepulauan Siau Tagulandang Biaro
Regency
Seal
Motto:  Pakatiti Tuhema
Location within North Sulawesi
Sitaro Islands Regency Location in Sulawesi and Indonesia Show map of Sulawesi Sitaro Islands Regency Sitaro Islands Regency (Indonesia) Show map of Indonesia
Coordinates: 2°45′56″N 125°24′13″E / 2.76556°N 125.40361°E / 2.76556; 125.40361
Country	Indonesia
Province	North Sulawesi
Capital	Ondong [id]
Government
• Regent	Toni Supit
• Vice Regent	Siska Salindeho
Area
• Total	275.95 km2 (106.54 sq mi)
Population  (mid 2023 estimate)[1]
• Total	72,883
• Density	260/km2 (680/sq mi)
Time zone	UTC+8 (Indonesia Central Time)
Area code	(+62) 432
Website	sitarokab.go.id

Sitaro Islands Regency (Indonesian: Kabupaten Kepulauan Sitaro, although its formal name is Kabupaten Kepulauan Siau Tagulandang Biaro) is a regency located off the northern extremity of Sulawesi Island in the southern Sangihe Islands, North Sulawesi Province, Indonesia. The regency was formed under Law Number 15 Year 2007 from 2 January 2007 (Indonesian: Undang-Undang Nomor 15 Tahun 2007), by separation from the Sangihe Islands Regency of which it had previously formed the southern part. The short form of the name is formed from one syllable from each of the names of the three principal islands — Siau, Tagulandang and Biaro.

The main island is Siau, while further south (nearer Sulawesi) are Tagulandang and Biaro. The regency's area is 275.95 km² and the total population was 63,801 at the 2010 census^[2] and 71,817 at the 2020 census;^[3] the official estimate as at mid 2023 was 72,883.^[1] Most of the population are fishermen and farmers. The religion of the majority of the population is Christianity and Catholicism, but there are also followers of Islam and Buddhism. The main town and administrative centre is Ulu Siau.

The regency is divided into ten districts (kecamatan), tabulated below with their areas and their populations at the 2010 census^[2] and 2020 census,^[3] together with the official estimates as at mid 2023.^[1] The table also includes the locations of the district administrative centres, the number of administrative villages (totaling 83 rural desa and 10 urban kelurahan) in each district, and its postal codes.

Notes: (a) including 20 small offshore islands. (b) including the offshore islands of Pulau Ruang (the fourth largest island in the regency, with an active volcano at its centre), Pulau Pasige and 2 smaller.
(c) includes 2 kelurahan - Bahoi and Balehumara. (d) includes the small offshore island of Pulau Batuguhita.
(e) includes the offshore islands of Pulau Makaleki and the small Pulau Batuhasaho. (f) includes 3 kelurahan - Ondong, Paniki and Paseng.
(g) including the offshore islands of Pulau Pahepa, Pulau Gunatin, Pulau Mahoro and 13 smaller.
(h) includes 5 kelurahan - Akesimbeka, Bahu, Bebali, Tarorane and Tatahadeng. (i) includes the offshore islands of Pulau Batupuki Sewenahe and Pulau Timuhe.

Ondong, the seat of the regency has a tropical rainforest climate (Af) with heavy to very heavy rainfall year-round.