▁ ▁Singapore ▁▁ ▁The ▁Republic ▁of ▁Singapore ▁is ▁a ▁so ver eign ▁city - state ▁and ▁a ▁metropol is . ▁ ▁South ▁Korea ▁ ▁In ▁the ▁Republic ▁of ▁Korea ▁there ▁are ▁seven ▁special ▁and ▁metropol itan ▁cities ▁at ▁autonom ous ▁administrative ▁levels . ▁These ▁are ▁the ▁most ▁popul ous ▁metropol itan ▁areas ▁in ▁the ▁country . ▁In ▁decre asing ▁order ▁of ▁the ▁population ▁of ▁ 2 0 1 5 ▁census , ▁they ▁are ▁Se oul , ▁Bus an , ▁In che on , ▁Da egu , ▁D ae je on , ▁G w ang ju ▁and ▁U ls an . ▁ ▁According ▁to ▁the ▁census ▁of ▁ 2 0 1 5 , ▁cities ▁of ▁Ch ang won ▁and ▁Su won ▁also ▁qual ify ▁for ▁being ▁elev ated ▁to ▁the ▁level ▁of ▁metropol itan ▁cities ▁( h aving ▁population ▁over ▁ 1 ▁million ), ▁but ▁any ▁future ▁plans ▁to ▁promote ▁them ▁into ▁metropol itan ▁city ▁are ▁unlikely ▁to ▁be ▁accepted ▁because ▁of ▁political ▁concerns ▁about ▁the ▁structure ▁of ▁administrative ▁divisions . ▁There ▁are ▁also ▁some ▁county - level ▁cities ▁with ▁increasing ▁population ▁near ▁ 1 ▁million , ▁namely ▁Go y ang , ▁Y ong in , ▁and ▁Se ong nam , ▁but ▁they ▁are ▁also ▁unlikely ▁to ▁be ▁promoted ▁into ▁metropol itan ▁city ▁because ▁they ▁are ▁all ▁satellite ▁cities ▁of ▁Se oul . ▁ ▁Sri ▁L anka ▁ ▁The ▁City ▁of ▁Col om bo ▁is ▁the ▁largest ▁city ▁in ▁Sri ▁L anka . ▁The ▁Col om bo ▁Metropolitan ▁Area ▁is ▁Sri ▁L anka '