Administrative Boundary of Monmouthshire

About Monmouthshire

Monmouthshire (Sir Fynwy) is a principal area in south-east Wales, bordering England along the Wye Valley. Covering approximately 850 square kilometres of fertile farmland and wooded river valleys, Monmouthshire had a population of approximately 94,000 at the 2022 Census, with Usk as its administrative centre. Tintern Abbey and the Wye Valley Tintern Abbey, founded in 1131 by Cistercian monks on the banks of the River Wye, is one of the greatest monastic ruins in Britain; its roofless nave and soaring windows inspired William Wordsworth's 1798 poem "Lines Written a Few Miles Above Tintern Abbey" and numerous paintings by J.M.W. Turner, helping to establish the Wye Valley as one of the birthplaces of British tourism for scenic beauty in the late 18th century — a heritage recognised in the valley's designation as an Area of Outstanding Natural Beauty. Raglan Castle, one of the last medieval castles built in Britain, begun in the 1430s, is notable for its distinctive hexagonal Great Tower and represents the final flowering of English and Welsh castle architecture before the age of artillery warfare rendered such fortifications obsolete. Chepstow and the Market Towns Chepstow Castle, begun in 1067 by the Norman lord William FitzOsbern within a year of the Battle of Hastings, is the oldest surviving post-Roman stone fortification in Britain, its Great Tower among the earliest stone castle keeps in the country. The market towns of Monmouth, Abergavenny, and Usk retain historic centres and a strong agricultural hinterland, with Abergavenny in particular renowned for its annual food festival celebrating Welsh produce. GIS and Boundary Data The administrative boundary of Monmouthshire Council is available for free download in GeoJSON and KML formats, sourced from the OS Open Geography portal (Crown copyright 2024). Compatible with QGIS, ArcGIS, Mapbox, and Google Earth, the dataset supports castle and monastic heritage mapping, scenic landscape conservation research, agricultural land use planning, and demographic analysis across the Monmouthshire council area.

📍 Administrative boundary of Monmouthshire county