HANS IM GLÜCK - ERFURT Fischmarkt is a stylish burger grill and bar located right on the iconic Fischmarkt square in historic Erfurt. Featuring the brand's signature interior design with real birch trees, it offers a wide variety of gourmet beef, chicken, vegetarian, and vegan burgers, as well as crunchy fries, fresh salads, and handcrafted cocktails.