Valparaíso (, ) is a major city, seaport, and educational center in the county or commune of Valparaíso, Chile. Greater Valparaíso is the second largest metropolitan area in the country. Valparaíso is located northwest of Santiago and is one of the South Pacific's most important seaports. Valparaíso is the capital of Chile's third most populated administrative region and has been the headquarters for the Chilean National Congress since 1990.