Language
The official language of the conference is English. 

About Bulgaria: https://visitbulgaria.com

About Sofia: https://visitsofia.bg/en/

Transportation from / to the airport: https://sofia-airport.eu/en/access/transportation/#public-transport

Weather
June in Sofia offers delightful early-summer conditions. You can expect maximum daytime temperatures to reach around 23-24°C, while the nighttime lows are about 12–13 °C.  Overall mean temperature is around 18 °C.

Time
In Bulgaria, the standard time is Eastern European Time:
Winter time: UTC (GMT) +2 hours (October through March)
Summer time: UTC (GMT) +3 hours (April through September)

Currency
The national currency is Bulgarian Lev – BGN.
It is expected that the country will replace the lev with the euro starting January 1, 2026, with the conversion rate1 € = 1.95583 BGN.

Electricity
The standard voltage is 220 V at a frequency of 50 Hz. The standard European plugs and sockets type “C” and “F” are used.