Molins de Rei is a municipality located in the Baix Llobregat comarca within the Catalonia region of Spain. It is situated approximately 18 kilometers from the center of Barcelona.
The town is positioned on the left bank of the Llobregat river. Its location provides significant connectivity, as it sits along the A-7 autopista, which runs from Valencia to La Jonquera, and along the main N-II road.