This expression is used five times in Ephesians, and nowhere else. In this epistle the believer is viewed not only as risen from among the dead, but as seated in the person of Christ, His head, in the full enjoyment of all his spiritual blessings in heaven by faith; and since it is the devil’s object to hinder this enjoyment, and occupy us with earth, our warfare with him is said to be in high (or heavenly) places.