Chieti is a town, and municipality, in Southern Italy, two hundred kilometres east by northeast of Rome. It is the capital of the province of Chieti within the Abruzzo location. In Italian, the adjectival shape is teatino and inhabitants of Chieti are referred to as teatini. The English shape of this name is preserved in that of the Theatines, a Catholic religious order.Chieti is amongst the maximum historic of Italian towns. According to mythological legends, the city turned into based in 1181 BC by way of the Homeric Greek hero Achilles and became named in honor of his mother, Thetis.
It turned into referred to as Theate. As Theate Marrucinorum, Chieti was the leader metropolis of the warlike Marrucini. According to Strabo, it turned into based by the Arcadians as Thegeate.After the Marrucini had been defeated with the aid of the Romans, they became loyal allies of the extra effective forces. Their territory turned into placed below Roman municipal jurisdiction after the Social War. In imperial instances, Chieti's population reached 60,000 population however, after the autumn of the Western Roman Empire, it become destroyed by means of Visigoths and Heruli. Later it changed into seat of a gastaldate below the Lombard kings. After its destruction by means of Peppin, it have become a fief of the Duchy of Benevento.