Changseong-dong is a dong (neighborhood) of Jongno District, Seoul, South Korea. It is a legal dong (법정동 法定洞) administered under its administrative dong (행정동 行政洞), Hyoja-dong.[1][2]
37°34′52″N 126°58′19″E / 37.581°N 126.972°E / 37.581; 126.972
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