Jaru is a municipality in the Brazilian state of Rondônia. It is located at latitude 10 ° 26'20 "South and longitude 62 ° 27'59" West, with an altitude of 124 meters. Its population is estimated at 51,883 inhabitants (IBGE/2011).
It has an area of 2944 km ². The city of Jaru is situated in the valley of the river Jaru.