Europe is where dressage horses come from. A few small countries in the northwest of the continent breed and produce the majority of the horses competing at the top of the sport, and they have done so for generations. The Netherlands, Germany, Denmark and Belgium sit within a few hours’ drive of one another, and between them they hold the densest concentration of dressage breeding anywhere on earth. Spain and Portugal add the Iberian horses, which are a different and lovely thing.
That density is the whole reason to travel. In a single week you can sit on more horses of the type you want than you might see in a year at home. The studbooks keep detailed public records, the vets are experienced in purchase examinations, and the whole trade is used to selling to foreigners and shipping horses across the world. The infrastructure exists because the horses do.
For a buyer in the US, the Gulf, China or India, there is a second reason. Even after the cost of flying a horse across an ocean, buyers from these markets often find that Europe offers a depth of choice they simply cannot match locally. The trained dressage horse is not a common animal, and the countries that produce it in numbers are almost all in Europe. So the buyers go to the source.
None of this makes buying in Europe easy. It makes it worthwhile, which is a different thing. The rest of this guide is about turning a worthwhile idea into a horse standing safely in your own stable.