Hwangseong-dong is both an administrative and legal dong or a neighbourhood in the administrative subdivisions of the Gyeongju City, North Gyeongsang province, South Korea. It is bordered by Yonggang-dong on the east, Hyeongok-myeon on the west and north and Seongnae-dong on the south. Its 3.84 square kilometers are home to about 29,140 people. It has two elementary schools, three middle schools and one high school