The map (see below) from the GCC’s Maiden site is below. It shows all the boundaries of all Forest of Dean District parishes.
In terms of landmarks, the northern boundary of Westbury-on-Severn Parish is the start of the FOD District which is marked by the FOD sign on the A48 road the Gloucester side of the Denny Bank. Its eastern edge along the whole of the parish is the River Severn, and its southerly limit is in Broadoak, approx 300 metres south of the railway bridge. Along the A4151 Elton Road towards Littledean the parish boundary by what used to be The Greyhound public house at the junction of the Pope’s Hill road up to Flaxley The east side of Pope’s Hill Road all the way up to Flaxley is in Westbury-on-Severn Parish but the west side is in Littledean Parish. The historic Parish Boundary of Westbury-on-Severn is different from the revised Ward Boundary that will come into apply for the May 2019 District Council election.