Sibolga

Sibolga (formerly sometimes Siboga) is a city and a port located in the natural harbour of Sibolga Bay on the west coast of North Sumatra province, in Indonesia. The city is located on the western side of North Sumatra facing the Indian Ocean, is a transit harbour to Nias Island, and was hard hit during the 2004 Indian Ocean earthquake. Sibolga is also a semi-enclave within Central Tapanuli Regency, as Sibolga borders Central Tapanuli Regency in the north, east, and south, while it borders the Mentawai Strait in the west. The city has an area of 11.47 km2 (4.43 sq mi) — the smallest city by land area in Indonesia. It had a population of 84,444 at the 2010 census and 89,584 at the 2020 census; the official estimate as of mid 2025 was 92,244 (comprising 46,365 males and 45,879 females).