Isla Ratón is a Venezuelan town, capital of the municipality amazonense de Autana.It is also a 40 km² fluvial island located in the course of the Orinoco River right next to the municipality of Puerto Carreño in the Department of Vichada in the Republic of Colombia.The town is called "Ratón del Carmen" and has a mayor's office, prefecture, rural medicine, malariology, cultural houses, plazas, courts, a church, schools, high schools, markets and shops.After its foundation, it grew until it formed a community that today has become a habitable, walkable town and one of the connectors with the other municipalities of the state.[citation needed] It is made up of multi-ethnic peoples such as the Curripacos, Piaroa, Criollos, and Jivi, amongst others.