The Lord Jesus is presently seated in the Father's throne.
He will reign from the throne of David at His second coming.
Actually: as with any Prince; He is presently seated at His Father's "right" as His "right hand" and until His time is ready to take His Position as King.
Acts 2:33 Therefore being
by the right hand of God exalted, and having received of the Father the promise of the Holy Ghost, he hath shed forth this, which ye now see and hear. 2:34 For David is not ascended into the heavens: but he saith himself, The Lord said unto my Lord, Sit thou
on my right hand, 2:35 Until I make thy foes thy footstool.
Hebrews 1:13 But to which of the angels said he at any time, Sit
on my right hand, until I make thine enemies thy footstool?
Hebrews 8:1 Now of the things which we have spoken this is the sum: We have such an high priest, who is set on
the right hand of the throne of the Majesty in the heavens;
Hebrews 10:12 But this man, after he had offered one sacrifice for sins for ever, sat down on
the right hand of God;
Hebrews 12:2 Looking unto Jesus the author and finisher of our faith; who for the joy that was set before him endured the cross, despising the shame, and is set down
at the right hand of the throne of God.
1 Peter 3:22 Who is gone into heaven, and is on
the right hand of God; angels and authorities and powers being made subject unto him.