This is just guessing, Frank, but I’m almost sure there is/was NO Gazelle in DK. They where widely used in the UK Army and the French Army. A-Stars should be in DK they are everywhere. But, again, I guess there are no military AS 365 Fenneks in use in DK. For closer information check out the home page of the aviation authority in DK, they should have an aircraft registration list there. With this list you see all types of aircraft registered in DK. You can also try to get this little booklet from “Rotor & Wing”, a monthly circular from the US, in which you can find the whole fleet of the world. I don’t have one any more I would have sent it to you. Maybe Mike has it.
The time of the Gazelle is over by now. You can buy a surplus. They are replaced by Lynx (UK) or Fennek (France). DK is part of the NATO so I suppose one can see a lot of interesting aircrafts there. And on air-shows it depend who is invited to come ...