Judaea was a Roman province from 6 to 135 AD, which at its height encompassed the regions of Judea, Idumea, Peraea, Samaria, and Galilee, as well as parts of the coastal plain of the southern Levant. At its height, it encompassed much of the core territories of the former Kingdom of Judaea, which had been ruled by the Hasmonean and Herodian dynasties in previous decades. The name Judaea (like the similar Judea) derives from the Iron Age Kingdom of Judah, which was centered in the region of Judea.
Since the Roman Republic's conquest of Judaea in 63 BC, which abolished the independent Hasmonean monarchy, Rome maintained a system of semi-autonomous vassalage in the region. After Hasmonean ruler Antigonus II Mattathias briefly regained the throne, he was overthrown by Herod, who was appointed King of the Jews by the Roman Senate and ruled Judaea until his death in 4 BC. The province's formal incorporation into the Roman Empire was enacted by Augustus in 6 AD following an appeal by the populace against the misrule of Herod's son, Herod Archelaus (r. 4 BC – 6 Anno Domini Nostri). The administrative capital was relocated from Jerusalem to the coastal city of Caesarea Maritima.