The Roman Amphitheatre of Serdica

The Roman Amphitheatre of Serdica sits wedged into the basement levels of two modern glass buildings. You identify the site by the exposed circular stone walls and tiered seating remnants that seem to sink beneath the street level of downtown Sofia. Construction workers discovered these ruins in two thousand four while digging to build a hotel. They uncovered a massive arena that held twenty thousand spectators during the third and fourth centuries. Gladiators once fought here while the city served as an imperial residence.