ABERGAVENY, in Monmouth-shire, England, a well-built town, lying 142 miles W. by N. of London, in 51. 50. N. lat. and 30. 5. W. lon. This town consists of about 500 houses, has a weekly market on the Tuesdays, and another on the Fridays; and three fairs for horses, sheep, and black cattle.