The Autonomous Communities with the highest Muslim population, in absolute terms, are Catalonia, Andalusia, the Community of Madrid, and the Region of Murcia. However, in relation to the overall population within the Autonomous Communities, the cities of Ceuta and Melilla stand out with the highest percentages of Muslims, following the Region of Murcia, Catalonia, and La Rioja. Moreover, it is worth mentioning that the Muslim population in the cities of Ceuta and Melilla, which has close ties to the Moroccan population, has been active in the creation of associations and pioneer in the implementation of Islam related measures in different political fields. Sources for the subsequent tables and graphics: