Armagh City is located in Northern Ireland and serves as the county town of County Armagh. It is known for its rich history and cultural significance, particularly as a center of Christianity. The city is home to the Armagh Cathedral, which is an important landmark and a site of religious heritage. The city has a population of around 15,000 people and features various amenities, including shops, restaurants, and parks. Armagh is also famous for its observatory, which was established in the 18th century and played a key role in the development of astronomy in Ireland.