Gallery On Madison, 9 South Madison Street, Middleburg, Virginia 20117. We look forward to having you visit the gallery. You will enter Middleburg on Route 50 (Washington Street). There is only one traffic light in town. From the west, turn right at the light and from the east, turn left at the light onto South Madison Street. Look for the barn red facade on the left. Parking is available on the street and in metered public lots.