Now in the fifteenth year of the reign of Tiberius Caesar, Pontius Pilate being governor of Judea, and Herod being tetrarch of Galilee, and his brother Philip tetrarch of the region of Ituraea and Trachonitis, and Lysanias tetrarch of Abilene,
The word Tetrarch is here used in a sense not quite accurate, as if the whole country had been divided into four parts. But as at first there was a fourfold division into districts, so afterwards, when other changes took place, the names Tetrarch and Tetrarchies were retained by way of honor. In this sense Pliny enumerates seventeen tetrarchies of one country. 