How to register:

  1. Contact the Organizing Team ( to check whether there are still places available.
  2. After receiving confirmation on available places, pay the registration fee by bank transfer to National Institute of Geophysics, Geodesy and Geography – Bulgarian Academy of Sciences (BAS) (see Payment below).
  3. Provide proof of payment ( to complete your registration. You will receive a confirmation email.

Registration Fees:

The registration fee is €50 for OPTIMISE members and €150 for non-OPTIMISE members.
The fee includes admission to all scientific sessions, coffee breaks, welcome cocktail and social dinner.
The registration fee is not refundable by COST. 


Payment can be done only by bank transfer to:

Bank Account Holder: National Institute of Geophysics, Geodesy and Geography – BAS
Bank: UniCredit Bulbank
IBAN: BG78 UNCR 7630 3400 0012 23
Reference: Optimise Conference 2018, Your Name, Your Surname, Your email address, Billing details

Only once we have received your payment proof your registration will be completed.