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Gunungsitoli (Nias pronunciation: [gu.nuŋ.si.to.li]) is a city located in North Sumatra province, Indonesia, on the Indian Ocean island of Nias, west of Sumatra. Gunungsitoli is the island's only city and is the main hub for the island and surrounding smaller islands. Located on the north-eastern side of Nias island, the city was historically a series of fortifications made by the Dutch colonial administration in the 1600s to defend against frequent raids from Nias tribes, especially those from southern parts of the island. Until 1914, it was the only part of the island that was effectively controlled by the Dutch.

Gunungsitoli had a population of 126,202 at the 2010 Census and 136,017 at the 2020 Census; in mid 2024, Gunungsitoli had a population of 145,233 (comprising 70,954 males and 74,279 females); it was officially projected to rise to 147,516 by mid 2025, and reach 150,000 in mid 2026. which makes it the seventh-most-populous city in North Sumatra. It had a population density of 309 people per square kilometre in 2024, making it the most-densely populated place on Nias island. Being the only city in the island, Gunungsitoli is the economic hub of the island and the surrounding Nias archipelago, as well as the only place with significant, non-agriculture industries, on the island. The city was previously part of the larger Nias Regency but was separated on 29 October 2008.

History

Precolonial

Nias island, together with groups of other islands off the western coast of Sumatra, was mentioned by Ptolemy in 150 CE as "Barus islands". Nias had well-established trade contacts with Arab and Chinese traders since around the seventh century. In 1154, the island was mentioned by Muhammad al-Idrisi as "Niyan" and described as "densely populated, with one big town, and inhabited by many tribes".

Archeological evidence shows humans have inhabited the island for 12,000 years. Remains of tools were found in Tögi Ndrawa cave by Indonesian archeologists from Medan in August 1999. The excavation shows sign of Mesolithic culture and that the cave was still inhabited until around 700 years ago.

Contact with Europeans

First contact between Nias people and Europeans came on 2 July 1664 when Dutch traders and the king of Luaha Laraga made a trade agreement and tariffs for Dutch ships that were using the port in modern-day Idanoi district.

Geography

Gunungsitoli borders North Nias Regency in the north, Nias Regency in the south and west, and the Indian Ocean in the east. The city has many hills with heights of up to 800 meters (2,600 ft) above sea level. The city's soil is mostly unstable, and often causes landslides and damage to roads. Soil composition varies from alluvium and limestone to corals and is generally prone to compaction. Limestone often makes underground water undrinkable.

The slope in the city interior varies from 8% to 25%. Coastal areas are mostly flatter with a slope of less than 8%. Gunungsitoli is located between the subduction zone of the Eurasian Plate and Indo-Australian Plate, making it extremely prone to earthquakes. The city was devastated by the 2005 Nias–Simeulue earthquake. According to the Meteorology, Climatology, and Geophysical Agency, on average, Gunungsitoli experiences more than 300 earthquakes per month.

Demographics

The average annual population growth in Gunungsitoli between 2020 and 2024 was 1.75%, with a sex ratio of 95.5 males to 100 females. As with other Indonesian cities, the population is young, with 93,655 of the total population of 145,233 between the ages of 15 and 65, of reproductive age and considered part of the workforce. In 2024, 46.3% of the city population lived in Gunungsitoli District. Despite the high birthrate and expansive structure of its population pyramid, the population growth was slow because of internal migration to bigger cities such as Padang and Medan.

The majority of the city's population is Protestant with a minority of Muslims, Catholics, and Buddhists. The Protestant population was 116,435 in 2020, followed by 21,979 Muslims, 10,363 Catholics and 382 Buddhists.

Governance

Administrative districts

Gunungsitoli has an area of 469.36 km2 (115,981.4 acres; 181.2 sq mi) comprising 0.63% of North Sumatra province. The city is divided into six districts (kecamatan), which are tabulated below with their areas and their populations at the 2010 and the 2020 Censuses, together with the official estimates as of mid-2024. The table also includes the location of the district administrative centres, the number of administrative villages in each district (totaling 98 rural desa and 3 urban kelurahan - the latter all in Gunungsitoli District), and its postal code.

Note: (a) including the 3 kelurahan (with populations in mid 2024) of Ilir (9,585), Pasar Gunungsitoli (4,864) and Saombo (2,997).

Local government

As with all Indonesian cities, the local government of Gunungsitoli is a second-level administrative division that is run by a mayor and vice-mayor together with the City Council, and is equivalent in status to a regency.

Economy

The biggest contributor to Gunungsitoli's gross regional product is the trade sector with a figure of 25.49%, followed by construction with 21.82%, and fisheries and agriculture with 14.6%. Economic growth was 6.05% in 2019. The city's gross regional product (GRP) in 2021 was 5,776.11 billion rupiahs, which was the second-highest in the island after South Nias Regency.

Agriculture and fisheries

Despite it being smaller than other sectors in terms of contribution to the GRP, agriculture employs around 31% of the city's workforce. In 2019, 2,313 ha (5,715.5 acres; 8.9 sq mi) of the city was cultivated for paddy with a crop yield of 12,997 tons. Copra is among the island's main exports and is shipped from Gunungsitoli after being harvested from neighbouring regencies. Other cultivated crops in Gunungsitoli are maize with a crop yield of 655.54 tons, cassava with 1,456 tons, and sweet potatoes with production of 634.25 tons.

Infrastructure

As of 2020, Gunungsitol had 28 kindergartens, 105 elementary schools, 35 junior high schools, and 12 senior high schools, in addition to 14 vocational high schools and six higher education institutions. In late 2021, several higher colleges and schools merged to form Nias Raya University. It is the island's first university and its main campus is located in South Nias Regency.

There were four hospitals, nine polyclinics, six puskesmas, 20 healthcare centers, and six pharmacies. The city's main public hospital is Dr. M. Thomsen Regional Hospital, which is named after a Christian missionary and doctor who operated in the region during the colonial era. Previously, it was named Gunungsitoli Regional Hospital. The hospital is operated by the Nias Regency government because the city was previously part of that regency. It underwent an expansion in early 2021.

Landmarks

Gunungsitoli has a number of public parks, including Ya'ahowu Park located in Jl. Saompo, a coastal area of the city. The park is often used as place for cultural events and other celebrations such as Indonesian Independence Day, Christmas, and Nias Festival. Ya'ahowu Park was built on the ruins of houses that were destroyed in the aftermath of the 2005 Nias earthquake. It was named after word "ya'ahowu" which roughly means "bless you" in Nias language, often used to greet each other. Around the park are monuments such as the Durian Monument and the Nias Earthquake Monument. Names of the victims from the 2005 earthquake are written on the monument to commemorate the disaster, and at the top is a piece of debris from the earthquake. Other parks such as Doa Bunda Maria Park and a heroes' cemetery also exist in the city.

There are also other monuments in the city such as the Salib Monument in the city's main market.

Transportation

Gunungsitoli has 490.68 km (304.9 miles) of roads, most of which are paved with asphalt. Road quality varies, however, because of frequent earthquakes and poor soil condition. According to Statistics Indonesia, in 2019, more than 30% of city's roads were considered damaged. Gunungsitoli is served by Binaka Airport with regular flights to Medan and Jakarta.

The city has two ports; Angin Port and Roro Siwalubanua II Port, both of which provide service for passengers and container freight. There are regular ferry routes to Sibolga, Singkil, and Padang. The city is also served by Sea Toll Program, which has routes to Padang and Jakarta.

Like other Indonesian cities, Gunungsitoli has angkots (shared taxis), which are regulated by the city government and use Faekhu Passenger Terminal located at South Gunungsitoli. The terminal is intended both for angkot and buses. Perum DAMRI has a bus route to the town Telukdalam, South Nias.