Rosario (Spaingie pronunciation: [roˈsaɾjo]) is the lairgest ceety in the province o Santa Fe, in central Argentinae. It is located 300 km (186 mi) northwast o Buenos Aires, on the wastren shore o the Paraná River. Rosario is the third maist populous ceety in the kintra an is the maist populous nan-caipital ceety in Argentinae, wi a growin an important metropolitan aurie; Greater Rosario haes a estimatit population o 1,276,000 as o 2012. Ane o its main attractions includes the neoclessical airchitectur that haes been retained ower the centuries in hunders o residences, hooses, an public biggins.
Rosario haes a nummer o twin ceeties aroond the warld. Sisterheid greements are intendit tae foster solidarity an collaboration atween ceeties or regions that share historical links or common characteristics.