Tourism in the Republic of Ireland on were built by them. As Dublin Airport is located just outside the city, most international visitors to Ireland begin their stay here. Among the main attractions in Dublin are Dublin Castle, the seat of British rule in Ireland until 1922, Phoenix Park, one of the largest inner city parks in the world, The General Post Office, one of Ireland's most famous buildings due to the 1916 Easter rising, Kilmainham Gaol, a former prison turned museum that held and executed the rebels of the 1916 Rising and Trinity College, where the Book of Kells and the Book of Durrow are
Easter Rising statue of the mythical Irish hero Cú Chulainn, sculpted by Oliver Sheppard, at the General Post Office as part of the Rising commemorations that year – it is often seen to be an important symbol of martyrdom in remembrance of the 1916 rebels. Memorials to the heroes of the Rising are to be found in other Irish cities, such as Limerick. The parades culminated in a huge national celebration on the 50th anniversary of the Rising in 1966. Medals were issued by the government to survivors who took part in the rising at the event. RTÉ, the Irish national broadcaster,