Major Cities of the Republic of Ireland: Dublin, Cork, Limerick, Galway

Dublin

Capital and largest city on the River Liffey; historic landmarks include Dublin Castle, Trinity College, St. Patrick’s Cathedral.

Cork

Second‑largest, on the River Lee; notable sites: Blarney Castle, Cork City Hall, St. Finbarr’s Cathedral.

Limerick

Third‑largest, on the River Shannon; attractions: King John’s Castle, Limerick City Hall, St. Mary’s Cathedral.

Galway

Fourth‑largest, on Galway Bay; highlights: Galway Castle, Eyre Square, St. Nicholas’ Collegiate Church.