Croatia:

Medulin (altitude 4000+m)
Lošinj (altitude 4000+m) 
Zagreb (altitude < 3000m)
Osijek (altitude < 3000m)
Rijeka (altitude < 3000m)
Vrsar (altitude < 3000m)

Slovenia:

Portorož (altitude 4000m)
Slovenj Gradec (altitude 4000m)
Maribor (altitude 4000m)
Ptuj  (altitude < 3000m)
Novo Mesto (altitude < 3000m)
Murska Sobota ()
Bled  ()
Bovec ()

Hungary :

NEW! Tandem skydive from helicopter Mi-8, 3500m above Balaton lake,
              Siofok, Hungary (2 hrs from Zagrab freeway all the way, minimum group of 3).

Kaposvar (altitude 2500-4000+m) 

Reservation