- Parks of Croatia
- Ministry of Tourism and Sport
- Environmental Protection and Energy Efficiency Fund
- Ministarstvo zaštite okoliša i zelene tranzicije
- Volunteers in Parks of Croatia
- Parks Dinarides
- Brijuni National Park
- Kornati National Park
- Krka National Park
- Mljet National Park
- Paklenica National Park
- Plitvice Lakes National Park
- Risnjak National Park
- Northern Velebit National Park
- Biokovo Nature Park
- Kopački rit Nature Park
- Lastovsko otočje Nature Park
- Lonjsko polje Nature Park
- Medvednica Nature Park
- Papuk Nature Park
- Telašćica Nature Park
- Učka Nature Park
- Vransko jezero Nature Park
- Žumberak-Samoborsko gorje Nature Park
- Grabovača Cave Park
- Memorial Center Nikola Tesla
- Muzej Like Gospić
- Barać Caves
- Lika Destination
- Croatian Mountain Rescue Service
- Croatian Mountaineering Association
- Croatian Tourist Board
- Lika-Senj County Tourist Board
- Zadar Region Tourist Board
- Gospić Tourist Board
- Municipality of Karlobag Tourist Board
- Otočac Tourist Board
- Senj Tourist Board
- Municipality of Starigrad-Paklenica Tourist Board
- Zadar Tourist Board
- Camping in Parks.eu
- Adria Velebitica Tourist Agency
- Raftrek Travel Agency
- Rajna
- Riva Rafting Centar
- VMD
- Yacht Rent
- Tulove4L Travel Agency
- Interreg ForBioenergy
- TUI UK
- TUI Holidays Ireland