The regency seat is located in town of Putussibau, where most of its economic and government activities take place.

Due to its relatively large area, it is sparsely populated compared to neighbouring regencies around it.

Other than it, there were several smaller kingdoms and Malay chieftains such as Suhai, Jongkong, and Bunut, scattered around the region.

Over time, the kingdom gradually lost its autonomy and the last king of Selimbau, Haji Gusti Usman, abdicated on 1925.

Japanese opened a coal mine around Mentabah and Tebaung river in 1942 to support their war effort on Pacific.

[8][9] One of leader's war and Dayak chieftain, nicknamed Pang Suma, today is regarded as hero not only in the region but also Indonesia in general.

Settlements are mostly located around rivers due to historical importance of inland waterways in the past.

[3] The regency has tropical climate with temperature between 22.9 and 33.5 Celsius, with 84.6% air humidity, and 38% sunlight intensity.

Due to regency seat not having clear official boundaries, the estimated population of the town could be as high as 50,000 people depending on where the speculative border is drawn; but both districts include extensive rural regions.

Head of districts are appointed directly by the regent with the recommendation of the regency secretary.

Manufacture industry is the third largest sector, with account of 11.28% of the regency's gross regional product.

[19] Agriculture employed 62.61% of the regency's workforce, followed by service sector with 22.14% and manufacture with 15.25%.

[5] The regency produced total around 680 tons of various vegetables such as cucumber and water spinach.

Significant livestock includes chicken, with total meat production of 1,305 tons on 2020.

The actual figure is possibly higher due to informal nature of Indonesian economy.

[5] As with most places in Indonesia, the population is generally young and consist of reproductive age workforce.

The regency is served by Pangsuma Airport, which is located in Putussibau and has regular flights to Pontianak and Sintang.