Municipality in El Baix Camp, located in the valley and framed by the long cliffs of l'Arbolí, in the boundary with El Priorat and the mountains of La Musara, El Mirador and Puig Cerver. The township takes up 38'32km2 and is drained by the Alforja Gully.

Alforja is located right in the middle of the valley on top of a hill on the left bank of the Gully.

Within the township there are two deserted villages, Cortiella and Els Domenys.

Agriculture provides work for many people in Alforja. The chief crop is the hazelnut but there are some fields with vines, cereal, olive, almond and fruit trees and also pasture lands. A few irrigated land are dedicated to the growing of vegetables. There also are some porcine and poultry farms. Besides, the counts with a few bottling and thread workshops. The porphyry quarry is currently working and there is a factory of electric domestic appliances.

The Alforja industrial estate