What is a major port and industrial city in the amazon region Brazil?

Belem is a major port and industrial city in the Amazon region of Brazil. It is the capital of the state of Pará, and is located at the mouth of the Amazon River. Belem is a major transportation hub for the region, and is home to a number of industries, including shipbuilding, oil refining, and food processing. The city is also a major tourist destination, and is known for its beautiful beaches, colonial architecture, and vibrant culture.