Can foreigners buy property in Castile and León?
Ownership is set by national law, so Castile and León follows the same rules as the rest of Spain. Yes, with no pre-approval and no quotas. Non-residents buy on the same terms as Spanish nationals, apart from a few border and military-sensitive zones where non-EU buyers need a permit. Read the buying guide for Spain
Which parts of Castile and León have the most listings?
Most of the published inventory in Castile and León sits in Salamanca, Burgos, Palencia.