Where? Approximately 40km away from Prague
When? The DPGRA will be opening it's borders at 12.00 on Sunday the 15th of July. A speedy registration will allow plenty of time for admiring each other's steeds and enjoying the entertainment. Registration will close at around 18:00 and from then you will party on late into the night.
You'll camp here overnight on the 15th to launch on the morning of the 16th.
Here's a link to the location.