ASDA event is described by the official site:
International tri-service defense Exhibition and Conference dedicated to Defense, Aerospace, Homeland Security and Safety & Security, being held at Split.
ASDA 2017 is officially supported by the Croatian Government through the Croatian Ministry of Defense. Organized with the official support of the government of Croatia.
In the past years ASDA had some dynamic demo, mostly by the Croatian Air Force. Mi-8 helicopter and the Krila Oluje did performed altough not together.
According to a croatian website, a bigger aerial event will be held this year. No info, when and where!
Google translate:
There will also be a demonstration military exercise in which the US Military Armed Forces with the MH-60S helicopter will join the Croatian Navy and the Croatian Army. The participation of the “Wings of Storm” acrobatics and the F-16 and MiG-21 are also planned.