A bill to modify the boundary of Petersburg National Battlefield in the Commonwealth of Virginia, and for other purposes.

Petersburg National Battlefield Boundary Modification Act - Modifies the boundary of Petersburg National Battlefield in Virginia to include the land and interests in land identified on the map titled "Petersburg National Battlefield Boundary Expansion," and dated June 2007.

Transfers from the Secretary of the Interior (the Secretary) to the Secretary of the Army administrative jurisdiction over approximately 1.170 acres of land for the Fort Lee Military Reservation.

Transfers from the Secretary of the Army to the Secretary administrative jurisdiction over approximately 1.171 acres of land for the Battlefield.

Requires inclusion of the conveyed land within the boundary of the Petersburg National Battlefield.