Castronuño

Castronuño, Spain
Church of Santa María
CountrySpain
Autonomous communityCastile and León
ProvinceValladolid
MunicipalityCastronuño
Area
 • Total
124 km2 (48 sq mi)
Population
 (2025-01-01)
 • Total
737
 • Density5.94/km2 (15.4/sq mi)
Time zoneUTC+1 (CET)
 • Summer (DST)UTC+2 (CEST)

Castronuño is a municipality located in the province of Valladolid, Castile and León, Spain. According to the 2004 census (INE), the municipality has a population of 1,049 inhabitants.