A county immediately to the North of London in the United Kingdom. The county town is Hertford, after which the county is named. Some of the main towns include Baldock, Berkhamsted, Bishop’s Stortford, Borehamwood, Buntingford, Cheshunt, Elstree, Harpenden, Hatfield, Hemel Hempstead, Hertford, Hitchin, Kimpton, Letchworth Garden City, Redbourn, Royston, Sawbridgeworth, St. Albans, Stevenage, Tring, Waltham Cross, Ware, Watford, Welwyn, Welwyn Garden City, and Wheathampstead.
The county is bordered to the North by Bedfordshire and Cambridgeshire, to the West by Buckinghamshire, to the East by Essex and to the South by Greater London.