CIEES 2022
Veliko Tarnovo, Bulgaria / November 24 - 26, 2022

Travel info

Veliko Tarnovo is very accessible by almost all kinds of transport. You can reach the venue trough:

1. Sofia International Airport is 217 km away.

Airport information is available at
Bus travel information can be found at

2. Varna Airport is 215 km away.

Airport information is available at
Bus travel information can be found at

3. Henri Coanda International Airport, Bucharest, Romania

The closes airport is “Henri Coanda International Airport” located 16,5 km. north from Bucharest center (Romania) – The distance from Buchares to Veliko Tarnovo is 190 km – click here for map.

Attention! This route crosses a country border. Please, consider this if you need visa to attend the conference!

If you are having travel-related questions or if you need us to assist you with your travel – please contact us on the following e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


No Visas are required for EU citizens. Visas will be required for participants of some countries whose nationals require a visa to enter Bulgarian territory.
Please see the visa requirements to enter Bulgaria at

Visa invitation letter

The Conference Organizers will gladly assist you during the Visa application process and provide a visa invitation letter to those delegates who have registered and paid to attend the Conference. Please note the following when applying for a visa invitation letter:
1. Delegates must fully register and pay to be able to apply for a visa invitation letter. The Organizers cannot provide a visa invitation letter to accompanying persons or family if they are not registered to attend the conference.
2. The visa invitation letter will help you during the application for a visa permit to authorities and is NOT intended to substitute this official document and/or process.
3. To request a visa invitation letter, you must provide the following information and send to This email address is being protected from spambots. You need JavaScript enabled to view it..

  • Full Name
  • Date of Birth
  • Gender
  • Nationality
  • Institution
  • Position
  • Passport Number
  • Date of Expiry
  • Postal Address
  • Telephone Number
  • Conference Registration Number
  • Paper ID
  • Paper Title

The conference invoice received after completing the registration payment must be attached in your request email. The letter can be issued only after your payment is complete. For more information, please contact This email address is being protected from spambots. You need JavaScript enabled to view it.. The visa invitation letter needs at least 5 working days to process.

Good to know before travelling

Electric power is 230 Volts, 50 Hertz alternating current. Outlets take plugs with two round pins. In any case, please take adaptors for different plug types with you. Please make sure that the electrical devices you will be using (computers, mobile phone chargers, electric shavers, etc.) are suitable for this voltage, otherwise transformers or batteries are advisable.

Local currency
The official currency of Bulgaria is the Lev (BGN). The official exchange rate is 1 EUR to 1.95583 BGN. Banks are open from Monday to Friday from 09:00 to 18:00. Exchange offices can be found all around Ruse, and are clearly marked. ATMs are widely available around the city and shops accept major credit cards.

Official language
Official language is Bulgarian.
English is widely spoken.

First Aid
A first aid service will be available at the venue at all times during the conference. Please note, however, no other medical service will be provided. Participants are expected to cover the costs of any medical expenses incurred in Bulgaria. Therefore, it is highly recommended that participants have an insurance policy covering medical expenses in Bulgaria and elsewhere during their travel.
EU citizens should carry the European Health Insurance Card.
Participants requesting an entry visa will also be required to submit proof of medical insurance.



Feel free to contact us with your questions and recommendations for the CIEES2022 Conference using the following:


CIEES 2022

The International Conference on Communications, Information, Electronic and Energy Systems

Veliko Tarnovo, Bulgaria

24th – 26th November, 2022