The Mobile World Congress (MWC) is the most important trade fair held in Barcelona and serves as a barometer of everything happening in the city. Although its organizers have stated and published that their relationship with the Catalan capital is long-term, there are always voices warning that its continued presence may be in jeopardy. the ad Barcelona Mayor Jaume Collboni's proposed ban on tourist apartments has sparked outrage among their owners. If the city's 10,000 tourist apartments are eliminated, the Barcelona Tourist Apartment Association (Apartur) warns that more than 52,000 attendees of the Mobile World Congress will be left without accommodation. "We cannot afford to lose the MWC or other conferences that have made Barcelona a global benchmark," warns Apartur's CEO, Marian Muro. According to data released by the association, the Catalan capital has a total of 152,320 tourist accommodation places, of which 58,124 are tourist apartments, representing nearly 40% of the total supply. Aside from MWC, the employers' association has also calculated how it could affect other events held in Barcelona, ​​such as Sónar, where they indicate that more than 66,000 attendees would be left without accommodation.