Why was the Harbor of Rio called Guanabara?

The Harbor of Rio is called Guanabara, derived from the Tupi-Guarani language, which means "the place where the water is" or "bay of water." This name reflects the region's indigenous heritage and the natural beauty of the bay, characterized by its stunning landscapes and rich biodiversity. The harbor, discovered by the Portuguese in 1502, has since become a significant landmark and a vital part of Rio de Janeiro's identity.