Dongdong Gukbap Busan Gyeongsungdae Branch in Busan serves gukbap with udon noodles. Its menu includes udong dwaeji gukbap, udong sundae gukbap, and eolkeun udong dwaeji gukbap. Udon noodles are added to the gukbap as the venue’s signature format. The combination of udon and gukbap can be unfamiliar depending on your taste.