Croke_Park Croke Park () in Dublin, Ireland is the largest sports stadium in Ireland and the principal stadium and headquarters of the Gaelic Athletic Association (GAA), Ireland's biggest sporting organisation. The stadium is in the heart of the city, a 15 minute walk from the main thoroughfare O'Connell Street.Since 1884 the site has been used primarily by the GAA to host Gaelic games, most notably the annual finals of the All-Ireland Senior Football Championship and Senior Hurling Championship.