All the territories of Spain have experienced alternation at least once, but only in some does the political color of their government tend to last forever, as explained by the analyst Carles Castro in La Vanguardia in an article about the autonomies that could change hands in the appointment with the polls on May 28.
Here you can read how the polls are and, below, the x-ray of how the regions whose citizens are called to vote this Sunday in an election that is considered a prelude to the general elections arrive at the polls. In addition to municipal elections and the Assemblies of Ceuta and Melilla, there is a vote to elect the government of twelve Autonomous Communities of Spain: Aragón, Principality of Asturias, Illes Balears, Canarias, Cantabria, Castilla-La Mancha, Comunidad Valenciana, Extremadura, Comunidad de Madrid , Region of Murcia, Foral Community of Navarra and La Rioja).
