These reptiles are predominantly found in the sub-Sahara Africa as well as on the Madagascar, with certain species reside in the southern Europe, northern Europe, southern India, Sri Lanka, and Middle East. Some population also lives in the islands of western Indian Ocean. In some parts chameleons have also been introduced especially Jackson’s and veiled chameleons; these types are introduced in Hawaii from Florida and California. They are known to survive in all types of tropical and mountain rainforests and for a while deserts and steppes. On the negative side, the chameleon’s population is facing sudden decline due to the excessive pollution and deforestation.