The National Society for Epilepsy (NSE) is the largest medical charity in the field of epilepsy in the UK, providing services for people with epilepsy for over 100 years. Based in Chalfont St Peter, Buckinghamshire, UK, its mission is "to enhance the quality of life of people affected by epilepsy by promoting research, education and public awareness and by delivering specialist medical care and support services." The NSE has close partnerships with the National Hospital for Neurology and Neurosurgery (NHNN) and the Institute of Neurology (part of University College London), both located in Queen Square, London.