Beomseo (Korean: 범서읍) is an eup of Ulju County, Ulsan, South Korea.
It is located to the east of Muhak Mountain, at an average elevation of 133 meters above the sea level.
[1] As of the year 2023, it had a total population of 68,051.
[2] As of February 2023, Beomseo consists of 10 villages, called ri.
They are:[3]