Ulsan (ōōl´sän´), city (1995 pop. 333,178), SE South Korea, an independent metropolitan city and a port on the Korea Strait. Once a fishing port and agricultural center, it is now an industrial center, with oil refineries, chemical plants, and a large sugar refinery. Automobiles, fertilizer, textiles, ships, and aluminum are produced.
"Ulsan." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (November 14, 2018). https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/ulsan
"Ulsan." The Columbia Encyclopedia, 6th ed.. . Retrieved November 14, 2018 from Encyclopedia.com: https://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/ulsan