Dunsan is not really a gu, but is definitely the central small business district and where you'll discover the vast majority of the shops and eating places. The area is served by a few stops about the subway: City Corridor, Federal government Complicated and Galma stops 111, 112, 113 respectively. https://sergioycehz.jasperwiki.com/6067296/the_single_best_strategy_to_use_for_here