Malaga, Spain. The smallest Irish pub in the world or so the owner claims in Malaga,Spain Stock Photo - Alamy.

McSorley's Old Ale House, generally known as McSorley's, is the oldest Irish saloon in New York City. Opened in the mid-19th century at 15 East 7th Street, in today's East Village neighborhood of Manhattan, it was one of the last of the "Men Only" pubs, admitting women only after legally being forced to do so in 1970.

Irish immigrants flocked to Chicago in the 1800s, making up a fifth of the city's population by 1850. It's no surprise then that whiskey bars and pubs in Chicago are relatively commonplace—you'll find them in almost every neighborhood, serving Irish beers like Guinness and Smithwick's and dishes like fish and chips.

Patrick's of Pratt Street, Baltimore, Maryland, U.S. This is the oldest Irish pub in America. At this location since 1863, it has, amazingly, been owned and operated by the same family since 1847! Patrick's was known first as Patrick Healy's, then Nolan's and at the start of the 20th century as Rowley's.