Hi Alan! HVM is involved with GP de France Castellet, Motors Festival Croix en Ternois and Motors Cup Dijon only, you're right. Pau is a different matter as you guess, its Pau Classic Grand Prix 2023.
HVM events
https://www.hvmracing.fr/wp-content/...ng-2023-V4.pdf
Pau Classic
https://www.grandprixdepau.fr/pau-classic-grand-prix/