Hi Ana,
You could contact LOCATION GERMANY , the Association of German Film Commissions here: https://www.location-germany.de/Welcome.html
Alternatively, contact our new FOCUS “the meeting place for international production” trade association affiliate partners BVL LOCATION, the German Location Scouts Association here:
https://www.bvlocation.de/index.php/de/
Good luck and I hope to see you at FOCUS 2019 in London on the 3rd & 4th of December. FOCUS is free for all production professional visitors so please invite your industry friends and colleagues to attend FOCUS – Europe’s biggest all screen industries production event. All they need to do is REGISTER here: http://www.tlgfocus.com
I hope that helps.
With every good wish,
Murray