We went to Busan for your lantern fest at Samgwansa temple and looked for a hotel in Seomyeon: a lot of buses go from Seomyeon straight to the temple or you can even wander there (3km), it takes only 25 minutes to check out Haeundae or Gamcheon village, considerably less to Busan station.Gyeongju is actually a historic town positioned in southwest