4 ▁six ▁con urb ations ▁( out side ▁London ) ▁have ▁been ▁known ▁as ▁metropol itan ▁count ies , ▁each ▁divided ▁into ▁metropol itan ▁districts . ▁ ▁Other ▁con urb ations ▁in ▁the ▁United ▁Kingdom ▁are ▁also ▁sometimes ▁considered ▁to ▁be ▁metropol itan ▁areas , ▁most ▁not ably ▁the ▁West ▁Mid lands ▁( cent red ▁on ▁the ▁city ▁of ▁B irmingham ), ▁West ▁York shire ▁( cent red ▁on ▁the ▁city ▁of ▁Le eds ), ▁Mer se ys ide ▁( cent red ▁on ▁the ▁city ▁of ▁Liverpool ), ▁Gre ater ▁Manchester ▁and ▁Gre ater ▁Glasgow ▁which ▁make ▁up ▁the ▁most ▁dens ely ▁populated ▁areas ▁in ▁the ▁British ▁Is les ▁outside ▁London . ▁ ▁O ce ania ▁ ▁Australia ▁▁ ▁The ▁Government ▁of ▁Australia ▁defines ▁a ▁metropol itan ▁area ▁as ▁any ▁statistical ▁division ▁or ▁district ▁with ▁a ▁population ▁of ▁more ▁than ▁ 1 0 0 , 0 0 0 . ▁According ▁to ▁this ▁definition , ▁there ▁are ▁at ▁least ▁ 1 6 ▁metropol itan ▁areas ▁in ▁Australia , ▁including ▁every ▁state ▁capital . ▁ ▁By ▁population ▁the ▁largest ▁of ▁these ▁metropol itan ▁areas ▁is ▁Sydney ▁( urban ▁area ▁population ▁at ▁ 2 0 1 6 ▁Census ▁of ▁ 5 , 0 2 9 , 7 6 8 ) ▁and ▁the ▁smallest ▁is ▁Dar win , ▁Northern ▁Territ ory ▁( U r ban ▁area ▁population ▁at ▁ 2 0 1 6 ▁census ▁of ▁ 1 4 5 , 9 1 6 ). ▁ ▁Metropol is ▁as ▁a ▁main land ▁area ▁ ▁In ▁France , ▁Portugal