Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia, Bulgaria
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Getting to Sofia
Sofia, the capital of Bulgaria, is easily accessible by air, rail, and bus.
By air:
Sofia International Airport "Vasil Levski" (SOF) is located about 10 km from the city center. It has direct connections to most major European cities. The city center can be reached in about 20–30 minutes by taxi, metro, or bus.
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Metro: Line M4 connects Terminal 2 directly to the city center (about 30 min, ticket €0.80 / 1.60 BGN) (map).
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Bus: Bus 84 and 184 connect both terminals to central Sofia (ticket €0.80 / 1.60 BGN) (map).
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Taxi: The official taxi operator OK Supertrans can be found outside the arrivals area (approx. €10–15 / 20–30 BGN to the center).
By train or bus:
Sofia Central Railway Station and the nearby Central Bus Station offer international and domestic connections. Both are directly linked to the city’s metro and public transport network.
Public transport:
Sofia’s public transport includes metro, trams, and buses. Single-ride tickets cost about €0.80 (1.60 BGN). Daily and multiday passes are also available.