GBP is the abbreviation for the British pound sterling, the official currency of the United Kingdom, the British Overseas Territories of South Georgia, the South Sandwich Islands, and British Antarctic Territory and the U.K. crown dependencies the Isle of Man and the Channel Islands. The African country of Zimbabwe also uses the pound. Many other currencies are pegged to the British pound, including the Falkland Islands pound, Gibraltar pound, Saint Helenian pound, Jersey pound (JEP), Guernsey pound (GGP), Manx pounds, Scotland notes. and Northern Ireland notes. The British pound has one of the highest trading volumes in the world, trailing only the U.S. dollar, euro, and Japanese yen in daily volume. The British pound accounts for roughly 13% of the daily trading volume in foreign exchange markets. The pound symbol is £, while the euro symbol is €.

The pound sterling (symbol: £; ISO code: GBP), known in some contexts simply as the pound or sterling, is the official currency of the United Kingdom, Jersey, Guernsey, the Isle of Man, Gibraltar, South Georgia and the South Sandwich Islands, the British Antarctic Territory, and Tristan da Cunha. It is subdivided into 100 pence (singular: penny, abbreviated: p).

The pound sign £ is the symbol for the pound sterling – the currency of the United Kingdom and previously of Great Britain and of the Kingdom of England. The same symbol is used for other currencies called pound, such as the Gibraltar, Egyptian, Manx and Syrian pounds. A similar symbol ₤ (with two bars) was used on some banknotes from time to time, but the Bank of England has not done so since 1975. (This two-bar symbol is also used for currencies named lira, for example the (withdrawn) Italian lira.)