Archivo Histórico Provincial de Asturias

One of the most important documentation centres of the Spanish Autonomous Community of the Principality of the Asturias, and the main archive of the region. It was created under, and regulated by Decreto 33/2005 of 28 April 2005.

More information on the Spanish Wikipedia page.

An index of the fonds, in Spanish, on the WayBackMachine here.