The Hamburger Dom is a large fair held at Heiligengeistfeld fair ground in central Hamburg, Germany. With three fairs (spring, summer and winter) per year it is the biggest and the longest fair throughout Germany and attracts approximately ten million visitors per year. It is also referred to as a Volksfest (beer festival and travelling funfair).The Hamburger Dom is also one of the well known festivals in the Hamburg metropolitan area. Hamburger Dom puts on an impressive firework display at the Heiligengeistfeld, that can be seen across most of the city, every Friday that it runs at 22:30 hrs.