The most populated city in Brazil is São Paulo. Known as a major financial hub and cultural center, São Paulo is situated in the southeastern part of the country and has an estimated population of over 12 million people, making it not only the largest city in Brazil but also one of the most populous in the world. The city is characterized by its diverse neighborhoods, cultural institutions, and a vibrant atmosphere. It is a melting pot of ethnicities, fostering a dynamic culinary scene, rich arts culture, and various festivals that reflect its diverse population.