The Dayak Bulusu tribe is one of the Dayak sub-tribes in North Kalimantan. According to oral literature passed down from generation to generation, the Dayak Bulusu tribe originates from Dagas Sebengawang, a place upstream in Malinau Regency, precisely in Gong Solok. This tribe is one of the minority tribes living on the island of Kalimantan, precisely in North Kalimantan. According to oral tradition, this tribe is the Maalau Sesat people, who fled to the jungle around Air Hitam, Bukit 12 National Park. By the end of the 18th century, most of the local population identified themselves not based on their ancestral ethnicity, but as a separate group of people, whose name was adopted from the name of the bay and the largest settlement established on the coast. Since the mid-20th century, the population of the ethnic group has experienced a rapid population decline & remained around 800 people at the beginning of the 21st century. This is done by mixing people from different ethnic gr