Gethsemane is a garden at the foot of the Mount of Olives in East Jerusalem, where, according to the four Gospels of the New Testament, Jesus Christ underwent the Agony in the Garden and was arrested before his crucifixion. It is a place of great resonance in Christianity. There are several small olive groves in church property, all adjacent to each oth…Gethsemane is a garden at the foot of the Mount of Olives in East Jerusalem, where, according to the four Gospels of the New Testament, Jesus Christ underwent the Agony in the Garden and was arrested before his crucifixion. It is a place of great resonance in Christianity. There are several small olive groves in church property, all adjacent to each other and identified with biblical Gethsemane.