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It is a pleasure to announce that IEEE Bulgaria Section is officially co-sponsoring technically the 2026 7th International Conference on Communications, Information, Electronic and Energy Systems (CIEES): Conference Record Number #71228. Therefore, similar to all editions' proceedings, the CIEES 2026 proceedings will be submitted to IEEE Xplore DL, Scopus, Web of Science, and other databases.
Welcome to CIEES 2026
Previous Editions
CIEES 2021:
students to address recent research results and to present and discuss their ideas, theories, technologies, systems, tools, applications, work in progress and experiences on all theoretical and practical issues arising in telecommunications, electronics, signal processing and applications, information technologies, energy, automotive and industrial engineering.
CIEES 2026 welcomes all high-quality research papers and presentations from related research fields. The conference will be in HYBRID mode – face to face and/or virtual.
CIEES 2026 is organised by the Association on Communication, Information, Electronic and Energy System and IEEE Bulgarian Section.
Microsoft CMT
Conference proceedings

The papers will be submitted for possible inclusion in IEEE Xplore Digital Library® (index by EI, Scopus, WoS, etc.), cover all conference topics.
Templates and Instructions
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| CIEES 2026 Word template Download >>> | CIEES 2026 Power Point template Download >>> |
Video preparation instruction Download >>> |
Instructions for online attendance Download >>> |
About the conference
Conference Topics
- Telecommunication Systems
- Information Technologies and Artificial Intelligence
- Power System & Smart Cities
- Energy and Renewable Sources
- Automotive and Industrial Engineering
- Smart Telecommunications, Industry and Services
- Electronics, Power Electronics and EMC
- Energy Efficiency and Applied Thermodynamics
- Mechatronics and Industrial Automation
- Biomedical Engineering
- Project Dissemination
Important dates
- Full Paper Submission: September 19, 2026;
- Notification of Acceptance: October 20, 2026;
- Camera Ready Submission and Copyright Forms: November 10, 2026;
- Early Registration Fee: October 23, 2026
- Registration Deadline: November 10, 2026;
- Publication of conference programme: November 20, 2026
- Conference dates: November 25 - 27, 2026
Plenary Speakers


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Conference Venue
The city of Hisarya is a charming city in central Bulgaria with a millennial history. Hisarya is located about 40km from the city of Plovdiv. The oldest remains that have been found in the city date from the 4th century BC. It was founded by the emperor Diocletian who also gave the name of the city, at that time called, Dioclecianopolis. To protect against enemy attacks, Diocletian ordered that the city be surrounded by high walls, whose circumference is 2327 m and in certain places reached 13 meters in height.
At that time, to enter the city, four doors were used, one of which, the main and largest, is called Camels and today is one of the symbols of the city. The walls of the then Diocletianopolis are among the best preserved in Europe.
The CIEES 2026 Conference will take place at the „AUGUSTA” SPA Hotel, located in Hisarya, Bulgaria. „AUGUSTA” SPA Hotel is located in the town of Hisarya, Bulgaria – 170km from Sofia and 40km from Plovdiv. The hotel is in the immediate vicinity of the central city park, where you can find the main landmark of Hisarya – the ancient baths of the Roman emperor Diocletian.
Address: 3, Gurko Blvd., Hisarya 4180, BULGARIA.
GPS coordinates: 42° 30' 2.907''N and 24° 42' 43.274''E (42.5008075, 24.7120207)
Website: https://augustaspa.com/en/home-page/
Hisarya is very accessible by almost all kinds of transport. You can reach the venue trough:
1. Sofia International Airport is 313 km away.
Airport information is available at https://www.sofia-airport.bg/en/passengers
Bus travel information from Sofia to Plovdiv can be found at https://www.centralnaavtogara.bg/index.php#b
The distance from Sofia to Hisarya is 170 km – click here for map.











