Barkway is a long-established village and civil parish in the North Hertfordshire district of Hertfordshire, England, about five miles south-east of Royston, 35 miles from London and 15 miles from the centre of Cambridge. The Prime Meridian passes a mile or so to the west of Barkway.

North Hertfordshire is one of ten local government districts in the county of Hertfordshire, England. Its council is based in Letchworth Garden City and the largest town is Hitchin. The district also includes the towns of Baldock and Royston and numerous villages and surrounding rural areas. Part of the district lies within the Chiltern Hills, a designated Area of Outstanding Natural Beauty.