Castilla y Leon is not only the largest region of Spain, but as well the largest region of all the European Union. The elevated plain is limited by the the mountain ranges Sistema Iberico to the east, Cordillera Central to the south, Cordillera Cantabrica to the north and by Duero river towards Portugal.
Castilla y Leon came together in 1983, when the regions of Castilla la Vieja and Leon were united. Both have been central areas of Spanish medieval history, and the importance during that epoch is still evident in many cathedrals, monasteries, castles and fortificated towns, many of which are preserved in perfect state. Apart of its great monumental patrimony, Castilla y Leon offers as well natural parks and kilometers of practically virginal nature, with woods of oaks and cork-oaks.
Gastronomy is distinguished by excellent meat, in particular of lamb, and vegetables like the famous creamy beans of Avila. Artisany and popular celebrations show a rich and varied folklore, often of archaical roots and almost unknown to a wider public.