The capital of the Republic of Ireland is Dublin.
Dublin is not only the largest city in Ireland but also serves as the cultural, political, and economic center of the country. It has a rich history that dates back to Viking times and is known for its historic buildings, vibrant nightlife, and literary heritage. The city is home to numerous landmarks, including Trinity College, the Guinness Storehouse, and Dublin Castle, making it a key destination for both locals and tourists alike.