The architectural proposal of the present thesis concerns the utilization and promotion of a part of the walls of Thessaloniki. The purpose was to analyze and then re-conceptualize this prominent boundary of the city as well as the internal (city), external (countryside) space created by it. The area chosen is located at the western edge of the historic center and is defined by two main road axes of the city, those of Egnatia (Golden Gate) and Agios Dimitrios (Lytaia gate).

 During the Byzantine period (until 1430) this district included the Church of the Holy Apostles and a cistern which probably was receiving water from the aqueduct that existed outside the walls, southwest, and from the rainwater. During the Ottoman Empire (until 1912) the temple was converted into a mosque with the name Soguk Su Cami'i (Mosque of the cold water) because of the nearby cistern that was watered by the aqueduct now known as Lebet. During this period, a Hammam bath known today as Phoenix, 2 faucets, a fountain and the Cold Water Cemetery were built. Nearby there were also hookah lounges so as for tanners and manufacturers of fur clothing to rest. After the great Thessaloniki fire of 1917, Ernest Ebrard had envisioned this boundary as a garland of garden cities that would encircle the urban center and would be a precursor to the suburbs.

 Today the walls meander between private and public space. It's a frontier waiting to find its modern role. Apartment buildings, single-family houses, traces of Roma camps, archaeological excavations are among the elements that exist next to and around it. How could all this multicultural and historical complexity be highlighted in such a way as to create an alternative reading of the city of Thessaloniki free from the extreme Byzantine identity, that will blend harmoniously with the inhabitants of the area?