principal area in south-east Wales, United Kingdom

Monmouthshire is a county in Wales in the west of Great Britain. From the end of the Middle Ages until the year 1974, Monmouthshire was a part of England for some purposes and a part of Wales for others. Then, in 1972, the Parliament decided that it was going to be in Wales from 1974 onwards.

Monmouthshire's Flag
Monmouthshire in Britain

The chief town in the area is Newport. Other important towns are Cwmbran, where the county council meets, Monmouth, the county town and Abergavenny.