Turin (Italian: Torino, pronounced [toˈriːno] ; Piedmontese: Turin, pronounced [tyˈɾiŋ]; Latin: Augusta Taurinorum) is a city and major business and cultural centre in northern Italy, capital of the Piedmont region, located mainly on the left bank of the Po River and surrounded by the Alpine arch. The population of the city proper is 909,193 (November 2008) while the population of the urban area is estimated by Eurostat to be 1.7 million inhabitants. The Turin metropolitan area is estimated by the OECD to have a population of 2.2 million.