The Province of Burgos is a province of northern Spain, in the northeastern part of the autonomous community of Castile and León. It is bordered by the provinces of Palencia, Cantabria, Vizcaya, Álava, La Rioja, Soria, Segovia, and Valladolid. Burgos is the province of Spain that has borders with most provinces. Its capital is the city of Burgos.

Palencia is a province of northern Spain, in the northern part of the autonomous community of Castile and León in the north of the Iberian Peninsula. It is bordered by the provinces of León, Cantabria, Burgos, and Valladolid.