Fact Verified Verified — a reviewed claim with a dated source
Sofia's settlement story reaches back to roughly the seventh millennium BCE, making it one of Europe's oldest continuously inhabited capital areas.
City
Sofia
10 published facts
Verified facts
Fact Verified Verified — a reviewed claim with a dated source
Roman Serdica grew around thermal springs, and mineral water still bubbles in the city centre near the former Central Mineral Baths.
Fact Verified Verified — a reviewed claim with a dated source
On many Sofia workdays, the team's buses and metro rides added up to roughly three hours—an early lesson that a city's travel reality is measured in connections and commute time, not map distance alone.
Fact Verified Verified — a reviewed claim with a dated source
Sofia became the capital of modern Bulgaria on April 3, 1879, when it was still a comparatively small post-Ottoman city.
Fact Verified Verified — a reviewed claim with a dated source
The city was known as Serdica, then Sredets, before the name Sofia took hold from the Church of Saint Sophia.
Reference
Local transport fare Verified Verified — a reviewed claim with a dated source
Contactless bank-card travel in Sofia caps at €2 per calendar day after enough eligible city-transit taps, provided the same card or device is used throughout.
Local transport fare Verified Verified — a reviewed claim with a dated source
A reusable Sofia City Card costs about €1.50 before loading travel value; a paper Ultralight card costs about €0.40.
Local transport fare Verified Verified — a reviewed claim with a dated source
A standard Sofia metro or city-transit single fare is €0.80 in 2026 after Bulgaria's euro adoption.
Where it fits
Located in Verified Verified — a reviewed claim with a dated source
Bulgaria