Liechtenstein doesnt use the Euro they use the Swiss Franc simply because they have do not want to use the Euro. Its like asking why Canada doesnt use the American Dollar, or why New Zealand doesnt use the Australian Dollar, they have their own currency they use.
The ten countries in the EU that do not use the Euro are either in the process of converting to the Euro from their current currency, or are allowed to not convert to the Euro in the near future. However, this may change in the long run.
They don't fulfill the Maastricht criteria
No, it uses its own Czech currency called (in Czech language) Koruna, abbreviated as CZK or Kc. There are plans to introduce the Euro and even today Euro is accepted in all major supermarkets and many other shops including some restaurants.
In larger cities, such as Praha, Brno, Pilzn, and Ceski Budejovice, it is possible to use euros in tourist oreinted places. However, outside of the tourist center, it is usually impossible to use them. It is best to convert foreign currencies to Czech koruny, which is the accepted currency of the country.
Czech Republic still uses its own currency the Czech crown (or Česká koruna, CZK). While you can use EUR in main tourist spots and some supermarkets it is NOT offically accepted currency.
Currently still Czech Koruna Somewhere near to 17 Koruna per dollar 10$ is 170 CZK
As of the 1st of January 2014, 18 members of the European Union use the Euro. The 10 that do not are: United Kingdom Bulgaria Croatia Czech Republic Denmark Hungary Lithuania Poland Romania Sweden
A date has not been set. The date is due to be announced on the 1st of November by their government. It will still be a few years from now.
The Irish Republic uses the Euro. Northern Ireland uses Pounds and Pence, like England, Scotland and Wales.
none
Ceska Koruna or in direct translation: Czech Crown.
The term "southern Ireland" is an incorrect term for the Republic of Ireland. The Republic of Ireland uses Euro as its currency. It used to use Irish Punts and pennies but changed to euro on the 1st of January 2002.
Germany
Czech republic