 As this was the same structure as for the Bang Saphan railway station further north, they thus named the railway station Bang Saphan Noi ('small bridge village'), and subsequently the railway station of Bang Saphan was named Bang Saphan Yai ('big bridge village').Neighboring districts are Bang Saphan to the north, to the south the districts Tha Sae and Pathio of Chumphon Province.To the west is the Tanintharyi Division of Myanmar, to the east, the Gulf of Thailand.