The Rhodian Peristyle and the Prytaneum.
The courtyard (33 x 28 m) lying to the west of the Bouleuterion and enclosed on all three sides corresponds to the type of the Rhodian Peristyle with its elevated columnar architecture at the east. An altar or two smaller temples were located on a raised podium to the west side. The sacred quarter, probably built in the Augustan period (27 BC – 14 AD) was dedicated to the deified Caesar and Goddess Roma or Artemis and Emperor Augustus.
The Prytaneum, erected in the same period, was entered via a courtyard (26 x 22 m) surrounded by columns; this building was the office of the city’s leading government dignitary. Its main room was used for public banquets for honoured individuals. The ashlar foundation in the centre of the room was either used as a sacred altar for Goddess Hestia or a place for food preparation. In the area of the Prytaneum the four famous Roman copies of the statue of Artemis Ephesia were erected.
To the west a richly decorated banquet-hall or residential house (14 x 11 m) seems to have been functionally related to the Prytaneum.