All participants are kindly requested to pre-register by using the online system.
Please, bear in mind that each participant should create his/her own account with username and password in order to register.


Conference registration fees


Categories Early Registration
(until 6 March 2021)

Late Registration
(after 6 March 2021)

Participant 200 Euro 250 Euro
Students* 80 Euro 110 Euro
Accompanying persons 80 Euro 110 Euro
Additional presentation 30 Euro 30 Euro


Registration fee includes 

  • admission to scientific and poster sessions
  • delegate’s kit and final program
  • USB stick with abstracts
  • welcome reception on May 5th, 2021
  • coffee breaks
  • lunches
  • folk-style dinner on May 7th, 2021
  • field trip to Koprivshtitsa


Accompanying person registration fee includes

  • welcome reception on May 5th, 2021
  • lunches
  • folk-style dinner on May 7th, 2021

Accompanying persons do not have access to the sessions and coffee breaks.
For administrative reasons, online registration is possible until 19 April 2021.

Terms and conditions

  • registrations are confirmed only upon receipt of payment
  • registration fee applied will be based on date of payment
  • to be able to register as a student, you must present a proof of fulltime enrolment at a recognized university or college

A registered person can send one abstract of which he/she is the presenting author.  However, the participant may submit more than 1 abstract with an additional fee of 30 Euro per abstract. If the co-authors would like to attend the conference, their registration and payment are required to be made independently.


Cancellation policy

  • before April 2nd, 2021 – 50% refund (excl. 30 euro bank fee)
  • no refunds will be given after April 2nd, 2021 or for no shows

Notifications of cancellations must be sent by email to Mrs. Mira Bonova /

Confirmation letter

A letter of confirmation / payment receipt will be sent by email once the conference secretariat has received the fully completed registration form and the related payment.

Registration desk

On arrival at the hotel and after check-in, participants are kindly requested to contact the registration desk situated next to the conference hall, where they will be given their badges and materials. Outstanding balances for registration fee, accommodation and/or transfers should be settled at the registration desk.


If you face technical difficulties during the registration process, please feel free to contact the official event manager:

Congress Management and Events /CME Ltd./
Mrs. Mira Bonova
tel: +359 2 987 74 22


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