Jun is a municipality and locality in Spain, situated in the north-central part of the Vega de Granada, within the province of Granada in the Andalusia region. It lies in the comarca of the Vega de Granada, the fertile plain surrounding the city of Granada.
The municipality borders Pulianas, Granada, Alfacar and Víznar. Its position in the north-central Vega places it close to the provincial capital, Granada, which lies to its south.