The largest lizard in the world is the Komodo dragon, which can grow up to 10 feet long and weigh over 150 pounds. It is found only in Indonesia on the islands of Komodo, Rinca, Flores, Gili Motang, and Padar. Komodo dragons are apex predators and can eat large prey such as deer and water buffalo. They have a venomous bite and are considered dangerous to humans.