A secret map of Ireland's coastline played a crucial role in taking down a powerful alliance of pirates that had based itself in the southwest of Ireland in the 17th century.

Donald Trump claimed Ireland "takes advantage" of the United States during an awkward meeting with Irish Prime Minister Micheal Martin at the White House.

Dublin City and County has a population of about 1.3 million residents, with 1.9 million people living in the Greater Dublin area, about 40% of Ireland's total population. The city center is ...