Tiangau – a small island settlement in Kepulauan Anambas regency
Tiangau is a settlement in Siantan Selatan district within Kepulauan Anambas regency, which is part of the Riau Islands (Kepulauan Riau) province in Indonesia. This settlement lies toward the eastern part of the country, an integral part of the island world situated in this section of the ocean. The regency is located in the Natuna Sea, approximately 150 nautical miles from the better-known island of Batam, situated between the Malay Peninsula and Borneo. Tiangau itself is a small settlement in Siantan Selatan district, characterized by the lifestyle directly tied to the ocean that typifies the archipelago's islands.
General overview
Tiangau is part of Siantan Selatan kecamatan (district), which belongs to Kepulauan Anambas regency. The settlement is not among Indonesia's better-known tourism or economic centers, but rather a point with sparse population within a scattered area of islands. Kepulauan Anambas regency consists of a total of 255 islands, of which five islands—Tokong Berlayar, Tokong Nanas, Mangkai, Damar, and Malangbiru—are particularly significant in terms of the Republic of Indonesia's sovereignty boundaries. The regency's total land area is approximately 518.78 square kilometers, distributed however across approximately 46,664 square kilometers of water area, demonstrating the archipelago's scattered character.
The administrative center of Anambas Islands regency is the city of Tarempa, which lies on Siantan Island; Tiangau, however, is a small settlement that fits within the archipelago's more detailed structure. The climate of the island region is subtropical, with multiple precipitation periods throughout the year connected to the tropical monsoon system. Settlements such as Tiangau operate within the framework of island life, where fishing, small-scale maritime transport, and local community-based livelihoods are the primary means of subsistence. Transportation is provided mainly through maritime routes due to the island location, with connections to larger neighboring islands and the regency's administrative center also occurring over water.
Real estate and investment
For Tiangau as a small island settlement, the real estate market is extremely limited and primarily confined to local-level transactions. Island regions such as Kepulauan Anambas regency generally do not fall within the major focus areas of Indonesia's real estate market, so real estate investments there are predominantly limited to local or at most regional entrepreneurs and families. According to the land ownership system applied generally in Indonesia, foreign individuals cannot purchase land ownership; however, they have limited opportunities through leasing contracts or building rights. On island settlements and small towns, however, these channels are typically narrow and bureaucratic procedures are time-consuming.
Considering the regency as a whole, it had a population of approximately 37,411 according to the 2010 census, which grew to 47,402 by 2020, with 2025 mid-year estimates at approximately 50,360 persons. This slow population growth demonstrates the modest economic dynamism of the island region. Real estate value changes depend primarily on weather conditions, fishing opportunities, and transportation infrastructure developments resulting from the archipelago's structure. Due to the island environment, the import costs of building materials are higher, which increases construction and housing costs. From an investment perspective, the Anambas Islands are not considered a preferred destination, although islands in the archipelago with adequate port infrastructure are occasionally valued by some entrepreneurs in terms of limited fishing or small-scale trade.
Safety and security
Tiangau's island community generally follows the public security framework experienced by Indonesia as a whole. Smaller island settlements typically operate with lower crime rates than major cities, since tight community connections and island isolation produce an effect similar to natural supervision. Regions such as Kepulauan Anambas regency are not known as focal points of organized crime or armed conflict—in contrast to those regions of the country located further west that are considered more notable in this regard.
The presence of the Indonesian state's security apparatus is weaker on smaller island settlements than in larger urban centers; however, the tight fabric of island communities and a balanced society generally prevent more serious security concerns. Road transportation risks are not relevant here (as it is an island area), whereas hazards related to maritime transportation (storms, extreme weather) are the more realistic risks. The relevant authorities (police, maritime authorities) focus their management of the archipelago on larger settlements and border areas extending toward neighboring Malaysia, so police presence on small settlements such as Tiangau is limited. Basic public order is generally solid, as smaller island communities tend to operate according to traditional legal codes and community norms.
Tourist attractions
Tiangau as a small island settlement is not known as a tourism destination in itself, and does not have published notable tourist attractions. Smaller island settlements generally offer ecotourism or immersion into traditional fishing communities; however, specific tourist infrastructure or organized attractions are not documented for Tiangau. On the settlement, the daily reality of island life, fishing activities, and local community life generally form the primary socioeconomic framework, rather than tourism.
Considering the broader Kepulauan Anambas regency environment, the archipelago itself is part of the Tudjuh Archipelago, an island world situated in the Natuna Sea. The regency's five islands of sovereign importance—Tokong Berlayar, Tokong Nanas, Mangkai, Damar, and Malangbiru—are significant from the perspective of the Republic of Indonesia's border protection, though they are less well-known from a civilian tourism perspective. The regency's administrative center, the city of Tarempa (on Siantan Island), is the central hub of the island world, where larger community infrastructure and associated limited-level tourism can be experienced. Tiangau predominantly plays a role in social and economic life within the island community, being a settlement with minimal appeal from an external tourism perspective.
Summary
Tiangau, as a small settlement in Siantan Selatan district, forms an integral part of the island communities of Kepulauan Anambas regency. Small island settlements such as this are places directly tied to the ocean and marine economy, operating with tight community networks, where the real estate market is limited, tourism is virtually absent, and public security is generally stable due to the settlement's small size and close community cohesion. Due to the scattered physical location that characterizes island existence in the archipelago and the role Tiangau and its sister communities play in protecting Indonesia's sovereignty, they form a peripheral yet geopolitically valuable part of the Indonesian state.

