This map, created by Denis Soria, shows the extent of the Asturian-Leonese language in 2012 on the Iberian Peninsula. The representation groups together all the living variants of the language, often called Asturian or Leonese, for the variants spoken in Spain, or Mirandese, the name used for the language spoken in Portugal, around the municipality of Miranda de Duero.
The colour intensity shows the percentage of speakers in each region, exceeding 30% in most of Asturias and the north of the province of León, as well as in Miranda de Duero.
Sources
Español 
English (UK)