The pound is the official currency of the United Kingdom of Great Britain and Northern Ireland. The pound sterling is the fourth most-traded currency in the foreign exchange market. It's known locally as a quid.
The dirham was introduced in 1973 to serve the seven countries of the United Arab Emirates. The seven countries, termed emirates, are Abu Dhabi, Ajmān, Dubai, Fujairah, Ras al-Khaimah, Sharjah, and Umm al-Quwain.