Bakun, officially the Municipality of Bakun,, is a 3rd class municipality in the province of Benguet, Philippines. According to the 2020 census, i…Bakun, officially the Municipality of Bakun,, is a 3rd class municipality in the province of Benguet, Philippines. According to the 2020 census, it has a population of 14,535 people. During the Spanish Period, Bakun was a rancheria of the Commandancia Politico-Militar de Amburayan. Ampusongan was a rancheria of the Commandancia Politico Militar de Tiagan, Distrito de Benguet.