The British pound (GBP) is the currency of England and Northern Ireland. This currency is the 4th most traded currency on Forex behind the U.S. Dollar, Euro and Yen. The British pound is present in 13% of transactions made on the Forex in 2010.. This is due largely to the fact that London is the most active financial place on the Forex because it represents 41% of the total volume of transactions.
The pound has historically been a strong currency reaching the price of 2.10 on GBP/USD in late 2007. Despite a drastic fall of the pound during the crisis, the currency is a currency of reference both in the Forex trade and international exchange.
The England is also very attached to its currency and the England refused to adopt the euro. You can see below a £ 20 banknot: