The Ancient Serdica Cultural Complex in central Sofia is an extraordinary archaeological park integrated beneath the glass domes of the Largo. Uncovered during metro construction, these 4th- to 6th-century Roman ruins feature the stone-paved Decumanus Maximus, private villas with mosaic floors, bathhouses, and early Christian basilicas. The ancient streets are freely accessible as part of the public pedestrian subway concourse.
| Mon | Closed |
|---|---|
| Tue | 10:00 – 18:00 |
| Wed | 10:00 – 18:00 |
| Thu | 10:00 – 18:00 |
| Fri | 10:00 – 18:00 |
| Sat | 10:00 – 18:00 |
| Sun | 10:00 – 18:00 |


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