Culiacán (Spaingie pronunciation: [kuljaˈkan]) is a ceety in northwastren Mexico, the caipital o the state o Sinaloa as well as the caipital o the municipality o Culiacán. Wi 675,773 indwallers in the ceety (census o 2010), an 858,638 in the municipality, it is the lairgest ceety in the state o Sinaloa. The municipality haes a tot aurie o 4,758 km2 (1,837 sq mi).