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| Siau Tagulandang Biaro Regency | |
|---|---|
| Name | Siau Tagulandang Biaro Regency |
| Native name | Kabupaten Siau Tagulandang Biaro |
| Subdivision type | Country |
| Subdivision name | Indonesia |
| Subdivision type1 | Province |
| Subdivision name1 | North Sulawesi |
| Established title | Established |
| Established date | 2007 |
| Seat type | Capital |
| Seat | Siau |
| Leader title | Regent |
| Area total km2 | 275.95 |
| Population total | 72,517 |
| Population as of | 2020 Census |
| Timezone | WITA |
| Utc offset | +8 |
Siau Tagulandang Biaro Regency is a regency in North Sulawesi province, Indonesia, formed in 2007 from part of Sangihe Islands Regency. The regency comprises several islands including Siau, Tagulandang, and Biaro, with a capital at Siau. It lies in the northern reaches of the Celebes Sea near the Philippine Sea and has close maritime links to Manado and the Minahasa Peninsula.
The area that became the regency has histories tied to the Sangihe Islands, the Dutch East Indies, and post-independence administrative reforms including laws passed by the People's Representative Council (Indonesia) and decrees of the Ministry of Home Affairs (Indonesia). Indigenous societies on Siau, Tagulandang, and Biaro interacted with regional polities such as the Sultanate of Ternate and traded within networks reaching Mindanao, Borneo, and the Moluccas. During the colonial era the islands featured in maps by the Dutch East India Company and reports by explorers associated with the Magellan legacy and later naturalists like Alfred Wallace. After Indonesian independence, local leaders negotiated administrative changes culminating in the 2007 establishment of the regency following legislation influenced by decentralization policies from President Susilo Bambang Yudhoyono and precedent from other splits such as the formation of Kotamobagu and Bitung.
The regency consists of volcanic islands including Siau Island dominated by the stratovolcano Karangetang (also known as Api Siau), with topography shaped by eruptions recorded in catalogs compiled by institutions like the Global Volcanism Program and monitored in coordination with the Volcanological Survey of Indonesia (PVMBG). Surrounding waters are part of biogeographic zones studied alongside the Coral Triangle, Bunaken National Park, and the Halmahera marine provinces. The climate is tropical with monsoonal influences comparable to Manado and Bitung, with rainfall patterns noted by meteorological services such as the BMKG. The islands sit near maritime routes used historically by the Srivijaya and Majapahit spheres and more recently by ferries operating between Siau, Tagulandang, and Biaro.
The regency is divided into several districts (kecamatan) following administrative frameworks similar to those in Sangihe Islands Regency and Kepulauan Talaud Regency. Districts include Siau Barat, Siau Timur, Tagulandang, and Biaro, each with village units (desa) organized under regulations promulgated by the Ministry of Home Affairs (Indonesia) and overseen by local legislatures modeled after the Regional House of Representatives (DPRD). These districts coordinate with provincial authorities in Manado and interact with national agencies such as the National Population and Family Planning Board for census and civil registration activities.
Population figures from the 2020 Census (Indonesia) showed around 72,517 inhabitants, with demographic characteristics reflecting ethnic groups related to the broader Minahasan and Sangir peoples and religious affiliations influenced by institutions like the Gereja Masehi Injili Minahasa and Roman Catholic Church missions. Languages include varieties of Sangir languages and Indonesian language as a lingua franca, with social structures comparable to those documented in ethnographies of North Sulawesi by scholars who have studied kinship and migration patterns similar to movements to Manado and Jakarta.
Economic activity centers on fisheries tied to the Celebes Sea and local agriculture producing coconut, clove, and root crops similar to commodities in Minahasa and Ternate. Small-scale trading connects markets in Siau to ports in Manado and through routes used historically by the Spice Trade; artisanal fishing fleets operate alongside enterprises participating in programs run by the Ministry of Maritime Affairs and Fisheries (Indonesia). Local development initiatives reference national programs like KOTAKU and agricultural extension services coordinated with the Ministry of Agriculture (Indonesia).
Transportation infrastructure includes harbors linking to Manado, inter-island ferry services comparable to those serving Sangihe Islands Districts, and air links relying on regional airports such as Sam Ratulangi International Airport for long-distance travel. Roads traverse island interiors connecting towns and villages, with utilities and communications supported by providers operating in North Sulawesi and regulated by agencies like the Ministry of Communication and Information Technology (Indonesia). Disaster risk management coordinates with national bodies including the National Agency for Disaster Countermeasure (BNPB) because of volcanic and seismic hazards associated with Karangetang.
Cultural life features festivals, traditional music, and crafts related to Sangir heritage, with rituals and practices akin to those documented in Minahasa and among communities influenced by Christianity in Indonesia and local customary law (adat). Tourism emphasizes diving and snorkeling in coral-rich waters linked to the Coral Triangle, trekking around volcanic landscapes such as Karangetang, and cultural visits to local churches and markets found in towns like Siau. Conservation efforts are informed by organizations and initiatives comparable to Conservation International and regional marine protection schemes modeled after Bunaken National Park management practices.
Category:Regencies of North Sulawesi