Isis Temple

The location of the sanctuary dedicated to the goddess Isis and Sarapis, next to the theater, has been known to us since Pausanias. Excavations at the site of the sanctuary have brought to light a large, vaulted, P-shaped underground gallery, immediately south of the theater’s stage. Its northern wing is 46.50 m long, while the eastern and western wings are 35.50 m long. Its width is 3.25 m, and its depth exceeds 5 meters. After it was abandoned and its roof collapsed in the late 4th century CE, the stoa was used as a dumping ground for all sorts of materials, including numerous fragments of marble sculptures, many of which originated from the adjacent theater. Among these, the seated statue of Isis nursing Horus and the hand of the hero Perseus holding the severed head of the monstrous Medusa stand out. During the excavation of the western wing of the vaulted portico, a large number of fragments of mosaic floors were uncovered, as well as numerous glass tesserae, of various colors, originating from mosaic depictions that adorned the floors and walls of the rooms in the Isieion and the Great Baths. On the northern inner side of the underground crypt, a complex of rooms from the late Roman period (4th–5th centuries AD) with built-in seats and interconnected water reservoirs, most likely associated with initiatory rituals.

Thermes

The large public bath complex from the Roman period, located adjacent to the southern side of the Sanctuary of Isis, covers an area of 3,000 square meters and consists of 23 rooms that have been partially or fully excavated. It comprises a variety of rooms with mosaic floors, marble inlays, atria, and auxiliary spaces (such as the luxurious marble-inlaid frigidarium with its two pools, the tepidarium, the caldurium, the prefurnium, a peristyle courtyard paved with terracotta, etc.). The rooms, whose walls are preserved to a great height (4.5 m), are connected to one another through arched doorways, some of which were blocked off during a second phase of repairs in the late Roman period. On the southern side of the complex, a section of a monumental, straight road 2.70 m wide was uncovered, running from east to west with a maximum surviving length of 35 m. The road was flanked on both sides by colonnaded porticoes, as evidenced by the surviving walls, which bear fluted column bases at regular intervals along their upper sections.
In addition, clusters of box-shaped and tiled-roof tombs from the early Christian period were uncovered and excavated, similar to those found in the side streets of the theater. It is evident that the monument served as a source of building materials during the Middle Ages. Many of its architectural elements had been dismantled long before the looted rooms of the monument were covered by its gradual backfilling.