Valladolid (Spanish: [baʎaðoˈlið] ) is a province of northwest Spain, in the central part of the autonomous community of Castile and León. It has a population of 525,398 across a total of 225 municipalities, an area of 8,110 km (3,130 sq mi), meaning a population density of 64.77 people per km.
The capital is the city of Valladolid. It is bordered by the provinces of Zamora, León, Palencia, Burgos, Segovia, Ávila, and Salamanca. It is the only Spanish province surrounded entirely by other provinces of the same autonomous community. It is the only peninsular province which has no mountains.