Macapá is the capital city of the state of Amapá in northern Brazil. It is located on the northern bank of the Amazon River and is known for its unique geographical position on the Equator. The city has a tropical climate and is surrounded by lush rainforests, making it a hub for biodiversity. Founded in 1758, Macapá has a rich history influenced by indigenous cultures and colonial times. The city features landmarks such as the Fortress of São José de Macapá, which was built to protect against invasions. Today, it serves as a cultural center with various festivals and events throughout the year.