In 2003-2005 in relation to the new construction activities carried on the site were conducted archaeological excavations at 10 and 12, Tsar Kaloyan Street in Varna. The plot lies immediately to the north off the Roman Thermae of Odessos. Intact cultural layers have not been come across despite the profound exploration covering the entire area as a natural result from the interventions during the last two millennia of settlement life.
During excavation works related to the new urban construction at 10, Ivan Vazov St. the builders came across parts from the stronghold wall of the late-antique Odessos. Its layout follows a northwest-southeast direction cutting across the construction trench. In the western part of the excavation are preserved parts of a stronghold wall and a densely built tower with a northwest facing front. Before the tower there are clear vestiges from a fosse or moat dating back to the time of building the fortification facility. The very bottom of the fosse, presently filled-in with sand, concurs with the level of the facility foundation.
While digging a ditch for laying a new water-conduit along “Angel Kanchev” street, in the section between “Tsar Ivan Sratsimir” and “Khan Malamir” streets, the workers came across three sarcophagi. Due to the fact that the sarcophagi were located underneath the asphalt finishing of a present-day street, we were able to study them only within the limits of the excavation trench.