Castrillo de Duero is a village in

Valladolid Valladolid () is a municipality in Spain and the primary seat of government and de facto capital of the autonomous community of Castile and León. It is also the capital of the province of the same name. It has a population around 300,000 peop ...

, Castile-Leon,

Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , i ...

. The municipality covers an area of and as of 2011 had a population of 155 people.

References

Populated places in the Province of Valladolid {{Valladolid-geo-stub