▁Roman ia ▁▁ ▁Roman ia ▁has ▁one ▁big ▁metropol is , ▁Buch ar est ▁with ▁a ▁population ▁of ▁around ▁ 2 . 5 ▁million ▁people . ▁Other ▁metropol itan ▁areas ▁with ▁populations ▁of ▁about ▁half ▁a ▁million ▁people ▁are ▁Cl uj - N ap oca , ▁I a și , ▁Tim i ș o ara , ▁Bra ș ov , ▁Const an ța , ▁G ala ți ▁and ▁Cra i ova . ▁ ▁Spain ▁▁ ▁Spain ▁has ▁around ▁ 1 5 ▁metropol itan ▁areas ▁with ▁a ▁population ▁greater ▁than ▁ 5 0 0 , 0 0 0 ▁people . ▁The ▁largest ▁met rop oles ▁with ▁populations ▁greater ▁than ▁a ▁million ▁people ▁are ▁Madrid , ▁Barcelona , ▁Val encia , ▁and ▁Se villa . ▁ ▁Turkey ▁▁ ▁In ▁Turkey ▁the ▁metropol itan ▁cities ▁are ▁described ▁as ▁" bü y ük ş eh ir ". ▁There ▁are ▁ 3 0 ▁metropol itan ▁municipal ities ▁in ▁Turkey ▁now . ▁The ▁largest ▁by ▁far ▁is ▁ İ stan bul , ▁followed ▁by ▁An k ara , ▁ İ z mir ▁and ▁B urs a . ▁ ▁United ▁Kingdom ▁▁ ▁In ▁the ▁UK , ▁the ▁term ▁the ▁Metropol is ▁was ▁used ▁to ▁refer ▁to ▁London , ▁or ▁the ▁London ▁con urb ation . ▁The ▁term ▁is ▁retained ▁by ▁the ▁London ▁police ▁force , ▁the ▁Metropolitan ▁Police ▁Service ▁( the ▁" Met "). ▁The ▁chief ▁officer ▁of ▁the ▁Metropolitan ▁Police ▁is ▁formally ▁known ▁as ▁the ▁Commission er ▁of ▁Police ▁of ▁the ▁Metropol is . ▁Since ▁ 1 9 7