Charlbury is a town and civil parish in the Evenlode valley, about 6 miles north of Witney in the West Oxfordshire district of Oxfordshire, Engla…Charlbury is a town and civil parish in the Evenlode valley, about 6 miles north of Witney in the West Oxfordshire district of Oxfordshire, England. It is on the edge of Wychwood Forest and the Cotswolds. The 2011 Census recorded the parish's population as 2,830.