Plaça de la Universitat - Plaza de la Universidad Barcelona. Plaça de la Universitat is central square in Barcelona between the districts of Eixample and Ciutat Vella districts. The main building on the square is the Universitat de Barcelona main campus, built by architect Elies Rogent when the old city's medieval walls were demolished in the years 1863-1889 . Inside the university is a small public gardens. Plaça de la Universitat is a gathering point for university student demonstrations and the Plaça Universitat is very popular plazae for skaters. The L1 and L2 metro lines are at metro station Universitat beneath Plaça de la Universitat.