Dodoni ( Greece ) is an ancient city in Epirus and one of the oldest sanctuaries and religious centers in Greece. It was also the site of an oracle devoted to Zeus and Dione. It is located 22 km southwest of Ioannina. Excavations began in 1870 and have unearthed a well-preserved theater, the remnants of an acropolis, a temple of Zeus and other small temples and buildings.