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CIEES 2025
Ruse, Bulgaria / November 26 - 28, 2025
authors.jpg
CIEES 2025
Ruse, Bulgaria / November 26 - 28, 2025
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Travel info

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

By plane

1. Henri Coanda International Airport, Bucharest, Romania.

The closes airport is “Henri Coanda International Airport” located 16,5 km. north from Bucharest center (Romania) – https://www.bucharestairports.ro/en. The distance from Bucharest to Ruse is 100 km – click here for map.

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

2. Sofia International Airport is 313 km away.

Airport information is available at https://www.sofia-airport.bg/en/passengers
Bus travel information can be found at https://www.centralnaavtogara.bg/index.php#b

3. Varna Airport is 200 km away.

Airport information is available at https://varna-airport.bg/en
Bus travel information can be found at https://autogaravn.com/en

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.

By car to University of Ruse

For directions using a GPS device, find below the physical street address and the geographical coordinates of the University of Ruse. All you need to do is enter the following information in your GPS device.

GPS coordinates
43°51′16″N 25°58′13″E (43.85478552155, 25.970148111125)

Physical address:
8, Studentska Str., Ruse 7004, BULGARIA

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.

Visas

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 https://www.mfa.bg/en/services-travel/consular-services/travel-bulgaria/visa-bulgaria.

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

Electricity
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.

 

Information

Feel free to contact us with your questions and recommendations for the CIEES'2025 Conference using the following:

E-mail: conference@ciees.eu

Useful Links

CIEES 2025 Submission System

Author Guidelines

Book CIEES 2025 in your calendar

CIEES 2025

The 6th International Conference on Communications, Information, Electronic and Energy Systems

Ruse, Bulgaria

26th – 28th November, 2025