The Turf Hotel

The Turf Hotel, also known as The Turf, is a public house in Wrexham, Wales, located on the corner of Wrexham A.F.C.'s Racecourse Ground, it has been a meeting place for Wrexham's fans for over 150 years. It was the only pub in the United Kingdom to be built inside the grounds of a football club and is now the oldest public house at any sport stadium in the world.

Source: Wikipedia