To be fair to the Poles this GP is billed as the 'FIM Torun Speedway Grand Prix of Poland' as is 'FIM Gorzow Speedway Grand Prix of Poland'
I think, if they want non nationals allocated to GP's the naming of a GP is important. Maybe go with 'FIM Continental Speedway Grand Prix' or something similar.
We have Scandinavian, European & Nordic so a Continental GP would be more accurate to allow an Aussie, American, New Zealand, African rider into a GP