Vitoria-Gasteiz is the seat of government and the capital city of the Basque Country and of the province of Álava in northern Spain. It holds the autonomous community's House of Parliament, the headquarters of the Government, and the Lehendakari's official residency. The municipality—which comprises not only the city but also the mainly agricultural lands of 63 villages around—is the largest in the Basque Country, with a total area of 276.81 square kilometres (106.88 sq mi), and it has a population of 253,093. The dwellers of Vitoria-Gasteiz are called vitorianos or gasteiztarrak, while traditionally they are dubbed babazorros.

The Basque Country, also called the Basque Autonomous Community, is an autonomous community in northern Spain. It includes the Basque provinces of Álava, Biscay, and Gipuzkoa. It also surrounds an enclave called Treviño, which belongs to the neighboring autonomous community of Castile and León.