With more than twenty centuries of history, it is the Cradle of Modern Parliamentarism by UNESCO because the first known courts in history took place in the Royal Basilica of San Isidoro in 1188. The place where this important historical event occurred today It can be visited, next to the Pantheon of the Kings, known as the Sistine Chapel of Romanesque art. The city treasures a cultural and architectural heritage of world reference, perfectly harmonized with the modern infrastructures of a dynamic city with all services.

Leon has always maintained a close relationship with the pharmaceutical and veterinary sectors and more recently with new technologies, which together with having two reference facilities for holding conventions and congresses such as the modern Leon Congress and Exhibition Palace with More than ten thousand square meters and the Ciudad de Leon Auditorium make the city a magnificent destination for this type of event.