The city located at the mouth of the Amazon River is Belém, in Brazil. Belém serves as a key port city, facilitating the export of various goods produced in the Amazon rainforest. The city boasts a rich cultural heritage, with influences from indigenous populations and Portuguese colonization. It is also known for its unique gastronomy, particularly its fish dishes and exotic fruits. The region around Belém is characterized by its lush landscapes and biodiversity, making it an important area for both environmental study and tourism.