Saigon 2 Siam Bistro opened its doors in June 2014. It was formerly known as Saigon Bistro Express which only served Vietnamese Cuisine. We have added Thai Cuisine to the menu. Saigon -2- Siam Bistro is now serving the best of both worlds – Vietnamese and Thai Cuisine!Saigon 2 Siam Bistro opened its doors in June 2014. It was formerly known as Saigon Bistro Express which only served Vietnamese Cuisine. We have added Thai Cuisine to the menu. Saigon -2- Siam Bistro is now serving the best of both worlds – Vietnamese and Thai Cuisine!