Glan, officially the Municipality of Glan (; ; ), is a 1st class municipality in the province of Sarangani, Philippines. According to the 2020 census, it has a population of 109,547 people. Glan is located east of Sarangani Bay, west of Davao Occidental, and north of the Celebes Sea. Barangay Sufatubo as the largest barangay in Glan, It is largely based on agriculture with a high level production of copra. Aquaculture is the second biggest income earner, notably milkfish and shrimps culture. Other agricultural products are coconuts, maize, sugarcane, bananas, pineapples, mangoes, pork, eggs, beef, and fish. The economy accelerated in 2010s due to advances in global communication technology and the finishing of a modern highway, which improved trade and transport. The municipality is classified as he "heritage town" by cultural conservationists, including members of the National Commission for Culture and the Arts due to the many well-preserved ancestral houses and heritage structures within the municipality. The Heritage Conservation Society suggested an ordinance, similar to the ordinance in Vigan, that would protect Glan's heritage houses and aesthetics in 2014 for centuries to come. Some conservationists have also suggested for the town's inclusion in the Philippines tentative list for UNESCO World Heritage Site enlistment. History In the early efforts of Independence from American administration, Sergio Osmeña Sr. the president of the first convention of provincial governors had joined those nationalists who petitioned Governor William Howard Taft to allow the formation of a political party advocating immediate independence for the Philippines in 1902. Sergio Osmeña while governor of Cebu, he was elected as the first Speaker of national assembly in 1907 then, uses the venue to request further more Filipino control in the colony or “Filipinozation” of the colony. From year 1907 to 1916, the executive power of the Philippines was vested in an American Governor General, assisted by the departmental secretaries. Under the Osmeña Act, which passed by the Philippine Legislature a portion of this act “Which provides the colonization to all parts of Mindanao that includes Jolo, Sulo and Basilan.” Hence, the distribution of land in Mindanao, program by the bureau of land “Free” otherwise known as “Homestead”, comprises twenty four (24) hectares track of agricultural land in addition to townsite lot of nine hundred twenty (920) square meters. To give free and distributed to Filipino families from all walks of life from Luzon, Visayas and all parts of the