sentences:  Amazon natural region
  
  Amazonía region in southern Colombia comprises the departments of Amazonas, Caquetá, Guainía, Guaviare, Putumayo and Vaupés, and covers an area of 483,000 km², 35% of Colombia's total territory.The region is mostly covered by tropical rainforest, or jungle, which is a part of the massive Amazon rainforest.