The river Djetinja is a left tributary of the West Morava, it originates in the northern part of the Kremna valley, on the southwestern slopes of the Tara mountain of four smaller rivers.

Reka Đetinja je leva pritoka Zapadne Morave, nastaje u severnom delu Kremanske kotline, na jugozapadnim padinama planine Tare od od četiri manje reke.