Manaus.

Manaus is the capital of Amazonas State, Brazil. It is located at the confluence of the Black River and the Solimãos River (a tributary of the Amazon River). It covers an area of ​​14,337 square kilometers and has a population of 1.738 million (2009), making it the eighth most populous city in Brazil. Manaus is known as the "Heart of the Amazon" and the "Forest City".

Manaus is a world-famous tourist city and one of the four major tourist destinations in Brazil. The main attractions include the Customs Building, the Manaus Grand Theater, and the Indian Museum; the world natural heritage Yau National Park is located in the north of the city; the most mysterious is the Amazon rainforest area centered on Manaus, which is known as "a must-visit place in life."