The Gruža (Serbian Cyrillic: Гружа; pronounced[ɡrûʒa]) is a village located in the municipality of Knić, central Serbia. The village is located near the Gruža Lake dam, few kilometers to the north from the river. It is a typical example of the stretched road village along the Kragujevac–Kraljevo road and railway. It is a small, depopulating settlement with a population of 153 inhabitants (as of 2011 census).
Popis stanovništva, domaćinstava i Stanova 2002. Knjiga 1: Nacionalna ili etnička pripadnost po naseljima. Republika Srbija, Republički zavod za statistiku Beograd 2003. ISBN86-84433-51-3