Known locally as Baile Átha Cliath, meaning ‘town of the hurdled ford,’ Dublin is Ireland’s largest city and its capital, located at the mouth of the River Liffey. Famous for its history, its cultural heritage and its legendary nightlife, there’s a huge amount to see and do here. Don’t miss a visit to Dublin Castle, built as a defensive Norman fort in the 13th century, or the world-famous Guinness Brewery.