Monmouth is the historical county town of Monmouthshire in Wales as well as additionally a community. Situated where the River Monnow signs up with the River Wye, simply 2 miles (3.2 kilometres) of the boundary with England. The community is 30 miles (48 km) northeast of Cardiff, as well as 113 miles (182 km) west of London. It is within the Monmouthshire regional authority, as well as the legislative constituency of Monmouth. Monmouth's population in the 2011 census was 10,508, increasing from 8,877 in 2001. The community was the site of a small Roman fort, Blestium, as well as came to be developed after the Normans built a castle here after 1067. Its middle ages rock gated bridge is the only one of its type remaining in Britain. The castle later on entered into the belongings of the House of Lancaster, and was the native home of King Henry V in 1387. In 1536, it came to be the county town of Monmouthshire. A market town and an emphasis of instructional and also cultural activities for the bordering backwoods, Monmouth has actually ended up being a tourist centre at the heart of the Wye Valley.