| Castilla y Leon
Castilla y León is a Spanish autonomous community, in its Statute of Autonomy.
It was constituted as a preautonomy in 1978 and acquired its status as an autonomous community in 1983.
Its territory is located in the northern part of the plateau of the Iberian Peninsula and corresponds mainly to the Spanish part of the Duero hydrographic basin.
It is composed of nine provinces: Ávila, Burgos, León, Palencia, Salamanca, Segovia, Soria, Valladolid and Zamora.
It is the largest autonomous community in Spain, with an area of 94 226 km², 1 and the sixth most populated, with 2 519 875 inhabitants.
From the beginning of the federalist debate in Spain in the nineteenth century during the First Republic there were projects of autonomy for a Castilian and
Leon region, although also including the current Cantabria and La Rioja.
The same project that continued to exist during the Second Republic 17 18 and that finally took place after the 1978 Constitution, but without Cantabria and
La Rioja, which, although it was considered to include them, finally formed uniprovincial autonomies.