Arenele Romane is a historic open-air concert venue situated in Carol Park, Bucharest. Built in 1906 to commemorate 40 years of King Carol I's reign, it was designed by architect Leonida Negrescu and engineer Elie Radu, and features a semicircular amphitheatre in the Doric style. Arenele Romane hosts concerts, festivals, and cultural events throughout the year.