Logroño (lōgrōˈnyō) [key], city (1990 pop. 121,911), capital of La Rioja prov., N Spain, in La Rioja, on the Ebro River. It is a farm-processing center noted for its Rioja wine; wood and metal products and textiles are also made there. The kings of Navarre and Castile fought over Logroño from the 10th cent. until its annexation (1173) to Castile. The charter granted by Alfonso VI served as a model for those of other cities.