Pound Sterling (ISO code: GBP, symbol: £), commonly known as the pound, is the official currency of the United Kingdom. It is also used in British overseas territories, Isle of Man, Guernsey, Jersey, South Georgia and the South Sandwich Islands, the British Antarctic Territory and Tristan da Cunha. Pound Sterling (GBP) is subdivided into 100 pence (p). The singular of pence is penny (p).
The ISO currency code GBP is formed from “GB”, the ISO 3166-1 alpha-2 code for the United Kingdom, and the first letter of "Pound". It does not stand for ‘Great Britain Pound‘ or ‘Great British Pound’