Principal Contact
Viktorija Grgić & Ivo Haladin
Kaciceva 26, 10000 Zagreb, Croatia
Phone/fax: +385 1 4639 245
Email: cetra@grad.hr
Registration, booking and payment
Katarina Vlahovac (ULIX travel)
Phone: +385 1 6410 935
Email: cetra@ulixtravel.com
Technical Support Contact
Ivo Haladin
Phone: +385 1 4639 245
Email: ihaladin@grad.hr