Armagh Cathedral, also known as St. Patrick's Cathedral, is located in Armagh, Northern Ireland. It is one of the most significant religious sites in the country, serving as the seat of the Archbishop of Armagh and the Primate of All Ireland. The cathedral was originally built in the 12th century and has undergone several renovations and restorations over the years. The architecture of Armagh Cathedral features a mix of Romanesque and Gothic styles, with stunning stained glass windows and intricate stone carvings. The cathedral is surrounded by beautiful gardens and offers visitors a glimpse into the rich history of Christianity in Ireland.