Official language

Working language of the Conference /presentations and discussion/ is English.


Participation on spot

Participants attending the event physically will benefit from a high level of interaction and networking opportunities. Additional measures for social distancing and hygiene will ensure a safe and comfortable experience.


Participation online

Virtual participants will be able to view the live broadcast and submit written questions in the discussion portal. For online presenters, a prerecorded video presentation is required in order to secure the smooth proceeding of the conference. Presenters will to be online during the time of the presentation in order to answer questions.



The Organizing committee will not assume responsibility for any personal injury, damage or loss of property, which may happen in connection with the conference. Participants should secure appropriate insurance coverage.


Passports & Visas

Bulgaria has the European Union's Common Visa Policy as a member country accepting European citizens freely. All non-EU citizens are required to have a passport to enter the EU with the appropriate visas.

You can find out more about visas at: If you need an invitation letter, please send a mail to:


Monetary system

The national currency is the Bulgarian Lev. Banknotes of the following denominations are in circulation: 2, 5, 10, 20, 50, 100 Levs. 1 Euro = 1,95583 BGN.

There are foreign exchange offices and ATMs around the city. It’s always prudent to carry a little cash, however, in case you can’t find an ATM or bank office nearby. You can always change cash at the hotel, though the commission will be high.

Make sure you have enough of the national currency when you plan to visit local markets and shops.



When a gratuity is not included in your bill, which is usually the case, 10% is customary. If service is outstanding, you could go as high as 15%. With taxi drivers, you usually just round up the sum if you have been happy with the ride or for the sake of convenience.

The climate in Bulgaria is moderate continental with beautiful blooming spring, dry and hot summer, long and pleasant autumn, and mild winter with lots of opportunity for skiing.
In early May the average temperature is 22 ºC, which is very pleasant both for work and leisure.


Summer time: GMT + 3 hrs. (April through October)


220 Volts, 50 Hz

Bulgaria uses CEE 7/4 (German "Schuko") power plugs and sockets



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