Villadiego is a Spanish town and municipality located west of the province of Burgos, Castilla y León, in the council of Odra-Pisuerga. It is head of the council of that name. It is 39 kilometres from Burgos.

According to demographic data of 2013, it has a population of 1,637 inhabitants, making it the second largest town in the west of the province.

The town was founded by Count Diego Porcelos in the 9th century.

It has large monuments around its most historical part of the town, of which a highlight is the Plaza Porticada and its traditional architecture.

Villadiego is located 38 km from Burgos, the provincial capital. It belongs to the Odra-Pisuerga region. Its area is 327,96 km ² and has a population of 1,637 inhabitants (INE 2013). Belonging to the Judicial District of Burgos.

It is the largest municipality of Burgos. It is located northwest of the province, including also terms municipal Humada, Basconcillos del Tozo, Úrbel del Castillo at north; Huérmeces at east; Las Hormazas, Tobar, Manciles, Pedrosa del Páramo, Villegas, Sordillos and Villamayor de Treviño at south; and Sotresgudo at west.

It comprises three historic countries: Amaya, former jurisdiction depended on the strength of the same name, which dominated from the towering Pisuerga the left bank of the river; Los Ordejones, mountainous area where the towns of Villavedón and Villusto are located; Treviño region located between the Odra River and rivers comprising Brullés Villahizán Villavedón and Treviño.

In 2013 the population of the municipality was of 1,637 people, 893 men and 744 women

The census does not reflect the seasonal nature of much of the population without being registered in Villadiego, live or spend several months of the year in Villadiego. They are mostly people who, with the decline of agriculture in the mid-twentieth century, migrated to the city of Burgos or other provinces and, after retirement, are returning to their hometowns. There are also many homes occupied only on weekends in Villadiego and districts.

It was founded by Don Diego Rodriguez Porcelos, Lord of Amaya, in the ninth century .

In this town was born Enrique Flórez, eighteenth century historian and author of Sacred Spain.

In the 1787 Census of Floridablanca had the category of town with Mayor and Court of Lordship, being its holder Duque of Frias, head of the party of Villadiego of the Municipality of Burgos, which included in the category of single towns 3 villas, 5 places, 3 farms, 1 inn and one uninhabited, and 7 quadrilles and its own jurisdiction, namely :

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