A Japanese city located in Mie Prefecture. The town of Iga achieved city status by administratively uniting with the nearby city of Ueno and the towns of Ayama, Shimagahara, and Ōyamada (all formerly part of Ayama District); and the town of Aoyama (formerly part of Naga District).Iga was the center of the ancient Iga Province, famous for its ninjutsu practitioners. This martial art and its cultural heritage are still celebrated in the city.