a town of north-eastern Spain, in the province of Tarragona; 11 m. N. of Tarragona, on the Picamoixons-Roda railway. Pop. (1900) 12,625. Valls is an old town, and its walls and towers still remain. Wool and cotton spinning and weaving, dyeing, distilling, paper-making and tanning are carried on here with considerable activity.