Dating from first part of the second century AD. 48 x 71 meters, partly restored in 1939-40. On four sides portricos had mo0re than 200 columns with brackets on which statues would be placed. There is a doorway to the Tariff Court, noted as
Senator's Gate. In the southeast corner of the agora there are the remains of a banquesting hall or triclinum with benches around the walls for reclining guests.