DRONFIELD, urban district, north-eastern parliamentary division of Derbyshire, England, 6 m. S. of Sheffield, on the L.M.S. railway. Pop. It is on the river Drone, a tributary of the Rother. In the district are numerous coal mines and iron and steel works. The church of St. John the Baptist, with a lofty spire, is a good example of Decorated work, with Perpendicular additions.