When it comes to famous German food, beer is at the top of the list. There are hundreds of local and regional breweries producing beers of all types and flavors of good quality. The world's oldest brewery is in Bavaria, but other regions have proud beer-making traditions. Pils, the most popular type of beer in Germany, is produced in Berlin, Hamburg, the Ruhr, Hesse and Stuttgart. Altbier, a very early product of the brewer's art, can be found today all over the country.