Aragon, the Canary Islands, Castile-La Mancha, Navarre, Murcia and La Rioja. There are other similarities between Rioja and Ribera del Duero. He returned to Buenos Aires, and then to La Rioja. Cantabria, La Rioja, and the Community of Madrid have each become separate Autonomous Communities. The Rioja Alta comarca receives more precipitation than Rioja Baja. Small kidney beans used in La Rioja, Spain, are called "caparrones". Another theory was that the grapevine originated in the Rioja region of Spain. Garnacha is also used in the pale colored "rosados" of Rioja. Some of Spain's production of Rioja wine takes place here. Rioja is further subdivided into three zones&colon; Rioja Alta, Rioja Oriental and Rioja Alavesa. The mountains in La Rioja are part of the Iberian System. The jota is also known in both Navarre and La Rioja. Facundo was present as the governor of La Rioja. He was elected senator for La Rioja in 2005. In 2008, there were of the grape in Rioja.