Porta Capena was a gate in the Servian Wall in Rome, Italy.The gate was located in the area of Piazza di Porta Capena, where the Caelian, Palatine and Aventine hills meet. Probably its exact position was between the entrance of Via di Valle delle Camene and the beginning of Via delle Terme di Caracalla (known as the "Archaeological Walk"), facing the curved side of the Circus Maximus.