June 18-22, 2023, National Palace of Culture, Sofia, Bulgaria

General Information


JUNE 18-22, 2023


National Palace of Culture, Bulevard “Bulgaria”, 1463 Ndk, Sofia, Bulgaria


The official language of the Congress is English.


The climate of Sofia is temperate continental. The city is protected from strong winds by the mountains that surround it. The rainfall balance can be characterized as normal, which is a precondition for various outdoor activities throughout the year.


Bulgaria is 3 hours ahead of Greenwich Mean Time (GMT +3).


The monetary unit in the Republic of Bulgaria is the lev (BGN), which is equal to 100 stotinki (st.). Since 1997, the country has been governed by a currency board and the value of the lev has been pegged to the Euro, at a fixed rate of 1 EUR – 1.95583 BGN.
Currency can be exchanged in banks or in any of the country’s many currency exchange offices. Some of these exchange offices also work on holidays. Euro-cheques can be exchanged in banks.
Credit cards
Most Bulgarian hotels and stores now accept VISA, MasterCard, American Express, and Diners Club credit cards.You can find current currency information on the site of the Bulgarian National Bank: www.bnb.bg




The Congress Secretariat and Organisers cannot accept liability for personal accidents or loss of or damage to private property of participants. Participants are advised to take out their own personal travel and health insurance for their trip.