In Christianity, the Kingdom of God, also called the Kingdom Of Heaven, is the spiritual realm over which God reigns as king, or the fulfillment of God’s will on Earth. The phrase frequently occurs in the New Testament, primarily used by Jesus Christ in the first three Gospels. Luke 17:20-21 20 Being asked by the Pharisees when the kingdom of God would come, he answered them, “The kingdom of God is not coming in ways that can be observed, 21 nor will they say, ‘Look, here it is!’ or ‘There!’ for behold, the kingdom of God is in the midst of you