Geographical name ‘Gozan’ was known to be mainly originated from topography 'headland', but it is also necessary to consider possibility of origination from 'pier’. The research results can be summarized as follows. First, geographical name ‘Gozan’ is only located in the Western Coast region between Pyongnam and Jeonbuk Province, especially highly clustered around the Gulf of Gyeonggi. Second, all the locations of ‘Gozan’ are closely associated with the tidal ebb area of the Western Coast. Third, ‘Gozan’ has a variety of chinese names with different characters, but among them, ‘Gozan(古棧)’ is the most frequented and rear letter(棧) is almost same. It can be assumed that ‘Gozan(古棧)’ reflected the characteristic of the pier, which is the most close expression to the original meaning. Fourth, in terms of hierarchy of area, it can be assumed that there was a function related with the ‘Gozan’ in the past, but the function disappeared, and now remains the name as a relics. Fifth, by considering village's location, relation with the surrounding area, and relative elevation differences, it is difficult to make sure that the name was originated from 'headland' terrain. Sixth, in terms of presence with a ferry or catch geographical name, it can be assumed that ‘Gozan’ existed before the village which had the ferry or catch function, and lost the function which is a berthing facilities related fishing.