Diageo is a multinational alcoholic beverage company based in London, England. The company was formed in 1997 through the merger of Grand Metropolitan and Guinness, and is now one of the largest spirits producers in the world. Some of the well-known brands owned by Diageo include Johnnie Walker, Smirnoff, Baileys, Captain Morgan, Tanqueray, and Guinness. Diageo has operations in over 180 countries.