Not to be confused with the town of Navan in County Meath. Navan Fort (Old Irish: Emain Macha ([ˈeṽənʲ ˈṽaxə]), Modern Irish: Eamhain Mhacha ([ˈaw̃nʲ ˈw̃axə])) is an ancient monument in County Armagh, Northern Ireland. According to tradition it was one of the great royal sites of pre-Christian Gaelic Ireland and the capital of the Ulaidh. It is a large circular hilltop enclosure—marked by a bank and ditch—inside which is a circular mound and the remains of a ring barrow. Archeological investigations show that there were once buildings on the site, including a huge roundhouse-like structure. In a ritual act, this timber structure was filled with stones, deliberately burnt down and then covered with earth to create the mound which stands today. The site is believed to have had a pagan ceremo