Gernsheim is a nice little Hessian city situated direcly on the rhine. As part of the metropolitan area between Frankfurt and Mannheim it is easily reachable by car, train or plane.
And because we love you, here is some more driving information:
Coming from North (A5)
On Darmstaedter Kreuz change to A67, then Exit at "Gernsheim" and turn right.
Coming from South (A6)
You'll get on the A67 eventually then exit at "Gernsheim" and turn left.
From the Exit Gernsheim on A67 you just have to follow the road until you arrive at the destination in Gernsheim
on the right after the underpass.
Warning, there is a speed camera in Gernsheim after the first big crossing so drive the allowed 50 km/h.
Under Construction is the last demoparty of 2018.
It takes place from December 27th to 29th in Gernsheim, Germany.