Corumbá is a municipality in the Brazilian state of Mato Grosso do Sul, 425 km northwest of Campo Grande, the state's capital. It has a population of approximately 101,089 inhabitants, and its economy is based mainly on agriculture, animal husbandry, mineral extraction, and tourism, being the gateway to the biggest wetlands of the world, the Pantanal.
Its urban area borders on the Bolivian cities of Puerto Suárez and Puerto Quijarro, that together make up a Free Zone for purchases of imported products and Bolivian crafts, the limit of which is the end of Ramon Gomes Road. The border with Paraguay is at the south extremity of the municipality in the agricultural zone.
The great diversity of the fauna is one of its great attractions: alligators, fish, capybaras, tapirs, hart-of-pantanal, garça, plough-blue, tuiuiú, among others. The Pantanal received the recognition as National Patrimony in the Constitution of 1988 and as Patrimony of the Humanity and Reserve of the Biosfera from UNESCO.
According to World Wide Fund for Nature (1999), there exist in the Pantanal 650 species of birds, 80 of mammals, 260 of fish and 50 of reptiles. It is a region of great importance for preservation of biodiversity, considered one of the biggest centers of reproduction of fauna of America. Already more than 263 species of fish, 122 species of mammals, 93 species of reptiles, 1,132 species of butterflies, 656 species of birds and 1,700 species of plants have been cataloged there.