Mislata is a city in the Valencian Community, Spain. It has borders with the city of Valencia and Quart de Poblet in the west and Xirivella in the s…Mislata is a city in the Valencian Community, Spain. It has borders with the city of Valencia and Quart de Poblet in the west and Xirivella in the south. In recent decades it has gone from being a village in the Horta region of the Valencian Community, to the most densely populated borough in Spain and one of the ten most densely populated in Europe, with a population of 43,363 spread across 2.1 km².