Map with the mountains systems of Castilla y León: Cordillera Cantábrica, Sistema Ibérico, Sistema Central and Montes de León with their main altitudes, the location of the region’s provincial capitals (Ávila, Burgos, León, Palencia, Salamanca, Segovia, Soria, Valladolid and Zamora), and the autonomous regions they are bordering with (Asturias, Cantabria, País Vasco, La Rioja, Aragón, Castilla-La Mancha, Madrid, Extremadura and Galicia) as well as Portugal.