The city has been known in the past by the names Wirye-seong ( 위례성 ; 慰禮城 , Baekje era ) , Hanju ( 한주 ; 漢州 , Silla era ) , Namgyeong ( 남경 ; 南京 , Goryeo era ) , Hanseong ( 한성 ; 漢城 , Baekje and Joseon era ) , Hanyang ( 한양 ; 漢陽 , Joseon era ) , Gyeongseong ( 경성 ; 京城 , colonial era ) .
Seoul has been known in past by the names Wirye-seong ( 위례성 ) , Hanju ( 한주 ) , Namgyeong ( 남영 ) , Hanseong ( 한성 ) , Hanyang ( 한양 ) , Gyeongseong ( 경성 ) .