Usk (Welsh: Brynbuga) is a town and community in Monmouthshire, Wales, 10 miles (16 km) northeast of Newport.
It is located upon the River Usk, which is spanned by an arched rock bridge at the western log on to the town. Usk Castle, above the town overlooks, the ancient crossing point. It developed as a small market town, with some industry including the making of Japanware, and considering a notable prison built in 1841/2. In recent years Usk has become known for its history of finishing in Britain in Bloom competitions, winning the Large Village tribute in 2005. The resident population of the town in 2001 was 2,318, increasing to 2,834 at the 2011 census.