Health authority

Between 1996 and 2002 the English National Health Service was organised under the following health authorities. In 2002 the health authorities were reorganised and their boundaries changed to constitute 28 strategic health authorities, which were reduced in number to 10 in 2006. Prior to 1996 the service was organised according to regional health authorities. ‡ also included part of High Peak in Derbyshire (East Midlands) Also, "East Riding and Hull" was originally known as "East Riding", , "County Durham and Darlington" was originally known as "County Durham"

Health authority

Between 1996 and 2002 the English National Health Service was organised under the following health authorities. In 2002 the health authorities were reorganised and their boundaries changed to constitute 28 strategic health authorities, which were reduced in number to 10 in 2006. Prior to 1996 the service was organised according to regional health authorities. ‡ also included part of High Peak in Derbyshire (East Midlands) Also, "East Riding and Hull" was originally known as "East Riding", , "County Durham and Darlington" was originally known as "County Durham"