Banangan is situated in the Southeast portion of the Municipality of Sablan. Barangay Banangan has the second largest area within the Municipality it has estimated land area of one thousand one hundred eight five (1,185) hectares.
It is six kilometers away from the Barangay Poblacion, Sablan. This barangay is traversed by the Quirino Highway likewise known as the Naguilian road. Following the said road, it is 14 kilometers away from Baguio City or 20 kilometers away from the Provincial Capitol of Benguet.
This barangay consist of sitios Yagyagan, Ampusa, Pasweck, Shelpi, Shafeg, Batag, Keddeng, Oriyao, Ampeta, Ambacuag, Calot, Sucong and Suyoc.
The first settler of Calot and Keddeng were Agsawal Polon, Mang-os, Magastino, Waya Waya, Maria and Apic Tangued, Balacwas that come from Buguias, Tinoc and Kabayan.