The Foro Romano is the main public square in Rome. It is located between the Palatine, Velia, Quirinal, and Capitol. The Foro Romano was the center of religious, ceremonial, and commercial life within Rome. Gladiator fighting occurred here and the surrounding shops built balconies for viewing the fights. A growing increase in the public importance of popular politics necessitated the changing from the Comitium to the forum. Sulla, Caesar, and Agustus are largely responsible for the popularity of the forum as it is known.  A monument to Caesar and the Parthian Arch dedicated to Agustus are located in the Foro Romano and have had the result of monumentalizing the east end.