Navan Fort is an ancient ceremonial site located near Armagh in Northern Ireland. It dates back to the Iron Age and is believed to have been a significant center for the Ulaid, an ancient kingdom. The site features a large circular earthwork, which is thought to have been used for rituals and gatherings. Today, Navan Fort is a popular tourist attraction, offering visitors insights into its historical importance. The site includes a visitor center with exhibitions that explain its archaeological significance and the culture of the Ulaid. Walking trails around the fort provide scenic views of the surrounding landscape.