It is officially designated to encompass all seven states of the North Region (Acre, Amapá, Amazonas, Pará, Rondônia, Roraima and Tocantins), as well as part of Mato Grosso in the Center-West Region and most of Maranhão in the Northeast Region.
Although called Amazonia Legal the region has three different biomes, all Brazil's Amazon biome, 37% of the Cerrado biome and 40% of the Pantanal biome[REF] The main characteristic of the region is the abundant and tropical vegetation, including large sections of rainforest.