Pétanque is part of the SEA Games sports since 2001. Indeed a lot of South East Asian countries have an historical Pétanque culture like in Cambodia, Laos or Vietnam.
Of course Thailand is one of the best countender since the 50’s.
And newest countries like Malaysia, Myanmar are climbing up on ranking too. Smaller or newest countries in the game like Singapour, Philippines and Indonesia are also there to fight bravelly.