Tir Nanog, otherwise known as Tír na nÓg, was a metropolis on the colony world of Bountiful in the 36 Aegis System. Named after the mythological Celtic Land of the Ever Young, it was an idyllic city and one of Bountiful's major population centers. Nearby was Logistical Support Area Chenoweth, a Terran Dominion logistical center and military prison.