Oktoberfest in Germany is celebrated with the traditional German beer called "Oktoberfestbier" or "Märzen". This beer is a type of lager that is brewed in the spring and left to ferment and mature over the summer months. It has a rich, malty flavor and a slightly higher alcohol content than regular lagers. During the Oktoberfest celebrations, this beer is served in large steins and enjoyed by locals and tourists alike. The festival also features traditional German food, live music, and carnival rides. Oktoberfest is a beloved tradition in Germany and is celebrated in cities across the country.