Abingdon-on-Thames (ˈæbɪŋdən ), commonly known as Abingdon, is a historic market town and civil parish in the ceremonial county of Oxfordshire, England, on the River Thames. Historically the county town of Berkshire, Abingdon has been administered since 1974 by the Vale of White Horse district within Oxfordshire. The area was occupied from the early to middle Iron Age and the remains of a late Iron Age and Roman defensive enclosure lies below the town centre. Abingdon Abbey was founded around 676, giving its name to the emerging town. In the 13th and 14th centuries, Abingdon was an agricultural centre with an extensive trade in wool, alongside weaving and the manufacture of clothing. Charters for the holding of markets and fairs were granted by various monarchs, from Edward I to George II.
The town survived the dissolution of the abbey in 1538, and by the 18th and 19th centuries, with the building of Abingdon Lock in 1790 and the Wilts & Berks Canal in 1810, Abingdon was on important