As three rivers converge here before reaching the sea, Tungkang is a natural harbor and an ideal site for a fishing town. Facing the small island of Hsiao Liuchiu out to sea, Tungkang is the second largest town in Pingtung County.
下淡水溪、東港溪和後寮溪在此會合出海而成一天然良港，與小琉球嶼隔海相望，是屏東縣的第二大鎮（第一為潮洲）。