Hertfordshire is bounded, North by Bedfordshire and Cambridgeshire, East by Essex, South by Middlesex, and West by Buckinghamshire and Bedfordshire. It is about 36 miles long, and 16 broad; and is divided into eight Hundreds — Braughin, Broadwater, Cashio, Dacorum, Edwintree, Hertford, Hitchin and Picton, and Odsey. Rivers: the Lea, the Maran, the Rib, the Quin, the Coln, the Stort, and the Verlam. It has 16 Market-Towns. It is in the Province of Canterbury, in the Dioceses of London and Lincoln; and it is in the Home Circuit. Area 528 square miles, or 337,920 acres. Population, 157,207.
Source: Leonard’s Gazetteer of England and Wales; Second Edition; C. W. Leonard, London; 1850.