The largest city in Brazil is São Paulo. It is not only the most populous city in the country but also one of the largest urban areas in the world, with a diverse population that exceeds 12 million people. Known as Brazil's financial and cultural hub, São Paulo is characterized by its sprawling metropolis, featuring a vibrant arts scene, diverse cuisine, and a dynamic economy. The city hosts numerous events, festivals, and international business activities, making it a key player in the global landscape.