Manaus is the capital of the state of Amazonas in Brazil. Located in the heart of the Amazon Rainforest, it serves as a major port and economic center. The city is known for its unique blend of cultures and its role as a gateway for ecotourism in the region. The Amazon River flows through Manaus, making it a vital hub for transportation and trade. The city is famous for the Teatro Amazonas, an opera house built during the rubber boom, and the meeting of the waters, where the dark waters of the Rio Negro meet the sandy waters of the Rio Solimões.