What was the currency in S wansea before the euro?

Swansea is in Wales and Wales is in the United Kingdom.  The United Kingdom does not use the euro. It uses the pound sterling.   Only 17 of the 27 countries that are members of the organisation called the European Union use the Euro.  The other 10 countries, the United Kingdom being one of them, use their own currencies.
Swansea is in Wales and Wales is in the United Kingdom.  The United Kingdom does not use the euro. It uses the pound sterling.   Only 17 of the 27 countries that are members of the organisation called the European Union use the Euro.  The other 10 countries, the United Kingdom being one of them, use their own currencies.