São Paulo is the most populous city in Brazil, and is the capital of the state of São Paulo, the most populous and wealthiest Brazilian state, located in the country's Southeast Region. Listed by the GaWC as an alpha global city, São Paulo is the most populous city proper in the Americas, the Western Hemisphere, and the Southern Hemisphere, as well as the world's 4th largest city proper by population. Additionally, São Paulo is the largest Portuguese-speaking city in the world. It exerts strong international influences in commerce, finance, arts and entertainment. The city's name honors the Apostle, Saint Paul of Tarsus. The city's metropolitan area, the Greater São Paulo, ranks as the most populous in Brazil and the 12th most populous on Earth. The process of conurbation between the metropolitan areas around the Greater São Paulo (Campinas, Santos, Jundiaí, Sorocaba and São José dos Campos) created the São Paulo Macrometropolis, a megalopolis with more than 30 million inhabitants, one of the most populous urban agglomerations in the world.
Extract from the text the main characteristics of the city of São Paulo. Separate them with a comma.
most populous city in Brazil, most populous and wealthiest Brazilian state, located in the country's Southeast Region, Listed by the GaWC as an alpha global city, the most populous city proper in the Americas, the world's 4th largest city proper by population, São Paulo is the largest Portuguese-speaking city in the world, city's name honors the Apostle, Saint Paul of Tarsus, ranks as the most populous in Brazil and the 12th most populous on Earth