São Paulo (; ; Saint Paul;), popularly known as Sampa, is the largest city in Brazil, the largest city in the southern hemisphere and Americas, and the world's seventh largest city by population. The metropolis is anchor to the São Paulo metropolitan area, ranked as the second most populous metropolitan area in the Americas and among the five largest metropolitan areas on the planet. São Paulo is the capital of the state of São Paulo, which is the most populous Brazilian state, and exerts strong regional influence in commerce and finance as well as arts and entertainment. São Paulo maintains strong international influence and is considered an Alpha- World City. The name of the city honors Saint Paul.

São Paulo é a capital do estado brasileiro homônimo. A população estimada para 2007 no município foi de 10.886.518 habitantes, o que faz dele o maior município do Brasil, das Américas e de todo o hemisfério sul.