The Catalan provinces of Girona, Barcelona, and Tarragona have the highest density of wild boars in Spain.

The distribution of areas with the highest density of wild boar population is located in the northeast of the Iberian Peninsula, especially in the Catalan provinces of Girona, Barcelona, and Tarragona, as well as in Huesca and Valencia, according to the national plan for wild boar population management implemented by the central government. In the dossier, consulted by Efeagro, it is stated that the autonomous communities where the greatest recent growth is occurring are Murcia and Catalonia, followed by other northern regions such as Castilla y León and Navarra. The report acknowledges that, across Spain, a "strong" growth in the number of wild boars has been observed over the last 40 years. Moreover, this annual increase "has been accelerating," such that the number of wild boars "could double by 2025" (up to 2.4 million animals), with the "consequent increase in accidents, damage to crops, and health risks." This plan, whose objective is to specify measures for the sustainable ...