For the district see Buleleng, Bali Buleleng is a regency (kabupaten) of Bali, Indonesia. It has an area of 1,365.88 km2 and population of 577,644 (1999). Its regency seat is Singaraja. Buleleng was founded as a kingdom by Gusti Panji Sakti, who ruled c. 1660-c. 1700. He is commemorated as a heroic ancestor-figure who expanded the power of Buleleng to Blambangan on East Java. The kingdom was weakened during his successors, and fell under the suzerainty of the neighbouring Karangasem kingdom in the second half of the 18th century. It was headed by an autonomous branch of the Karangasem Dynasty in 1806-1849.