Greece's largest and most influential metropolitan centres are those of Athens and Thessaloniki, with metropolitan populations of approximately 4 million and 1 million inhabitants respectively.
Magaalooyinka ugu waa weyn uguna saameynta badan ee Giriigga waa kuwa caasimada Athens oo leh ku dhawaad   4 milyan oo kunool waxaana caadi ahaan loogu yeeraa caasimada-weyn ee Tesaloniika oo leh 1 milyan oo dad ah.