Wha

[finite dune]

Isn't Luxembourg because San Marino has hosted a race in it's country and so has Morocco and Switzerland

Unless I'm really stupid

[pearl otter]

Think of it like this

imagine there was a Lesotho Grand Prix but the race itself isn't held in Lesotho but in South Africa

there's only 1 country of the 4 to have never had such a thing

[finite dune]

Ohhhhhh

That makes sense