Explore details about location 성남대로 (Seongnamdaero). 성남대로 (Seongnamdaero) is a location situated within the 분당구 alongside other areas such as 야탑10교 (Yatap 10 Bridge), 경부고속도로 (Gyeongbu Expressway North), 서울외곽순환고속도로 (Seoul Outer Circular Expressway).