Electricity & Plugs in Sofia

Power & Connectivity

Voltage & Frequency: Bulgaria uses 230V AC, 50Hz electrical system, standard for Europe. US devices (110V) require voltage converter and plug adapter.

Plug Types: Type C (two round pins) and Type F (two round pins with grounding clips) are standard. These are the most common European plug types. UK visitors (Type G plugs) need adapters; US visitors (Type A/B) need adapters.

Where to Buy Adapters: Available at Sofia Airport shops, electronics stores, major hotels, and pharmacies. Prices: 5-15 BGN. Recommend purchasing before arrival or at airport for immediate use.

Power Availability: Reliable electricity throughout Sofia with rare outages. Modern hotels, restaurants, and cafés offer charging facilities. Many newer establishments provide USB charging ports. Ask "Moga li da zaryadya telefona si?" (Can I charge my phone?).

WiFi & Internet:

• Free WiFi: Available at most cafés, restaurants, hotels, museums, and shopping malls. Public WiFi in metro stations (Sofia WiFi network). Many parks offer free WiFi hotspots.
• Mobile data: EU visitors can use domestic data plans (roaming-free). Non-EU visitors should purchase local SIM cards from Vivacom, Telenor, or A1 with data packages starting 10-20 BGN for 5-10GB. Available at stores, kiosks, and airport.
• SIM card requirements: Passport required for registration. Prepaid SIMs easy to top-up at kiosks, stores, or online.
• Internet cafés: Rare due to widespread WiFi and mobile data. Co-working spaces offer day passes with high-speed internet.

Phone Charging Tips: Carry portable power bank for long days exploring. Most museums and attractions have limited charging access. Cafés welcome customers charging devices while dining. USB charging available on newer trams and metro trains.