local NHS services, and the SHA was responsible for strategic supervision of these services. The types of trust included: Hospital trust Ambulance services trust NHS care trust Mental health trust NHS primary care trust (PCT) The SHAs had the board and governance structures common to all NHS trusts. After 1 July 2006 The ten SHAs established on 1 July 2006, and abolished on 31 March 2013, were: NHS East of England (East of England region) NHS East Midlands (East Midlands region) NHS London (London) NHS North East (North East region) NHS North West (North West region) NHS South Central NHS South East Coast NHS South West (South West region) NHS West Midlands (West Midlands region) NHS Yorkshire and the Humber (Yorkshire and the Humber region) These SHAs are coterminous with government office regions, except that the large South East England region is divided into two: South Central and South East Coast. Before 2006 reorganisation Avon, Gloucestershire and Wiltshire SHA Bedfordshire and Hertfordshire SHA Birmingham and The Black Country SHA (West Midlands minus Coventry) Cheshire and Merseyside SHA County Durham and Tees Valley SHA Cumbria and Lancashire SHA Dorset and Somerset SHA Essex SHA Greater Manchester SHA Hampshire and Isle of Wight SHA Kent and Medway SHA Leicestershire, Northamptonshire and Rutland SHA Norfolk, Suffolk and Cambridgeshire SHA North and East Yorkshire and Northern Lincolnshire SHA North Central London SHA North West London SHA North East London SHA Northumberland, Tyne and Wear SHA Shropshire and Staffordshire SHA South East London SHA South West London SHA South West Peninsula SHA South Yorkshire SHA Surrey and Sussex SHA (Surrey, East Sussex, West Sussex) Thames Valley SHA (Oxfordshire, Berkshire, Buckinghamshire) Trent SHA (Derbyshire, Nottinghamshire, Lincolnshire) West Midlands South SHA (Warwickshire, Worcestershire, Herefordshire, Coventry) † West Yorkshire SHA † known as the 'Coventry, Warwickshire, Herefordshire and Worcestershire SHA until 2004. The London boundaries were: North Central London – Barnet, Camden, Enfield, Haringey, Islington North East London – Barking and Dagenham, City, Hackney, Havering, Newham, Redbridge, Tower Hamlets, Waltham Forest North West London – Brent, Ealing, Hammersmith and Fulham, Kensington and Chelsea, Harrow, Hillingdon, Hounslow, Westminster South East London – Bexley, Bromley, Greenwich, Lambeth, Lewisham, Southwark South West London – Croydon, Kingston, Merton, Richmond, Wandsworth, Sutton These SHAs were replaced by a single London SHA in 2006. See also Sustainability and transformation plan – a 2016 reorganisation of NHS England References Further reading National Health Service (England)