The Australian water dragon (Intellagama lesueurii, formerly Physignathus lesueurii ), which includes the eastern water dragon (I. l. lesueurii ) and the Gippsland water dragon (I. l. howittii ) subspecies, is an arboreal agamid species native to eastern Australia from Victoria northwards to Queensland. There may be a small introduced population on the south-east coast of South Australia.