The heavenlies (or, “heavenly places”) is the location of divine blessing, including all the blessings of Christian maturity
Eph. 1:3; 1:19-23
The heavenlies is the locale of the Lord’s success in spiritual warfare against Satan, Psalm 103:19.
The heavenlies is the location of the believer’s position in Christ. Thus, the believer shares the victory of Christ. The result is daily victory in the believer’s life. Eph. 2:6.
The heavenlies is the sphere of angelic activity, Eph. 3:10.
The heavenlies is the battlefield for spiritual warfare during the Church Age, Eph. 6:12 ff.