Tordesillas is a town and municipality in the province of Valladolid, Castile and León, central Spain. It is located 25 kilometres southwest of the …Tordesillas is a town and municipality in the province of Valladolid, Castile and León, central Spain. It is located 25 kilometres southwest of the provincial capital, Valladolid at an elevation of 704 metres. The population was c. 8,760 as of 2021.