sentences:  Tiberias was founded sometime around 20 CE in the Herodian Tetrarchy of Galilee and Peraea by the Roman client king Herod Antipas, son of Herod the Great.Herod Antipas made it the capital of his realm in the Galilee and named it for the Roman Emperor Tiberius.The city was built in immediate proximity to a spa which had developed around 17 natural mineral hot springs, Hammat Tiberias.