NHS Lothian provides a comprehensive range of primary, community-based and acute hospital services for the second largest residential population in Scotland - circa 800,000 people. NHS Lothian is one of the fourteen regions of NHS Scotland. It provides healthcare services in the City of Edinburgh, East Lothian, Mid Lothian and West Lothian areas. Its headquarters are at Waverley Gate, Edinburgh. It is responsible for the care provided by around 29,000 staff at a number of locations: 21 hospitals, including 4 major teaching hospitals, 126 GP practices, 180 community pharmacies, 173 dental practices, 112 ophthalmic practices.