sentences:  The Amazon Region is a region in southern Colombia over the Amazon Basin.It comprises the departments of Amazonas, Caquetá, Guainía, Putumayo, Guaviare and Vaupés.The Insular Region is considered by some as a sixth region, comprising those areas outside continental Colombia, including the department of San Andrés y Providencia in the Caribbean Sea and the islands of Malpelo and Gorgona in the Pacific Ocean.