0 a county (= an area with its own local government) in southeastern England:
He is a psychologist at the University of Hertfordshire.
The Woodland Trust is creating more than 850 acres of woodland near St Albans in Hertfordshire.
Around half a mile away was the small Hertfordshire town of Tring.
This scene is in the Hertfordshire countryside about two hours north of London.
Officers would be making house-to-house inquiries, said a Hertfordshire Police spokesman.
