This article has an unclear citation style. (February 2013)
This article's factual accuracy is disputed. (September 2022)
The Basque Government's statistics department Eustat has divided the districts using a 20-comarca model[1] (seven in Biscay, seven in Gipuzkoa and six in Álava)[2] in its reports relating to the local economy and demographic trends on a consistent basis since at least 1999: