It is composed of seventy-five deputies representing citizens from the three provinces of the Basque autonomous community. Each province (Álava, Gipuzkoa and Biscay) elects the same number of deputies, despite their having very different levels of population.
It is made up of seventy-five deputies who represent citizens from the three autonomous provinces of the Basque region, namely Álava, Gipuzkoa, and Biscay. Each province selects an equal number of deputies despite their varying population sizes.