That's a tough question to answer because there are so many great Christmas markets throughout Europe. Some of the most popular markets include the Christkindlmarkt in Vienna, Austria, the Christmas Market in Strasbourg, France, and the Old Town Christmas Market in Prague, Czech Republic. These markets are known for their beautiful decorations, traditional food and drink, and unique holiday gifts. Ultimately, the best Christmas market is one that fits your personal preferences and makes you feel festive!