Glan

Glan is the most populous municipality in Sarangani and it 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.