Guinness () is an irish dry stout that originated in the brewery of arthur guinness at st. james's gate, dublin, ireland, in 1759. it is one of the most successful alcohol brands worldwide, brewed in almost 50 countries, and available in over 120. sales in 2011 amounted to 850 million litres (190,000,000 imp gal). in spite of declining consumption since 2001, it is the best-selling alcoholic drink in ireland where guinness & co. brewery makes almost €2 billion worth of beer annually. the guinness storehouse is a tourist attraction at st. james's gate brewery in dublin, ireland. since opening in 2000, it has received over 20 million visitors. guinness's flavour derives from malted barley...

Source: Wikipedia