Octagon is yet another well-known bar which is well-known for its energetic nightlife scene. It is without doubt one of the premier clubs in Gangnam and hosts Intercontinental DJs routinely.ideal for some peaceful morning time.|Tteokbokki fans mustn't skip Dongdaemun Yeobkki Tteokbokki. This late-night location is well known for its spicy rice cake