Her Royal Highness Princess Sirivannavari Nariratana Rajakanya will compete in the inaugural International Equestrian Federation (FEI) Asian Championships in Pattaya in December.
The princess appeared in an advertisement for event, to be held at the Thai Polo & Equestrian Club in Pattaya from Dec 1-8.
"I'm very honoured to represent my country as a rider. Every time I see my name and the Thai flag, it's like, wow!" the princess said.
"I train six days per week. Any kind of sports makes you strong, But this is more in the soul."
"During December we are going to host the FEI Asian Championships. It's the first time in history that we will host the championship. Now is the time for us to shine and to show the world that we can do this," the princess said.
The FEI expects athletes from about 15 countries to take part. The event will include the three disciplines - dressage, show jumping and eventing.