You asked:

is cardiff in wales

Yes. Cardiff is in Wales.
Cardiff
Cardiff

Cardiff (the UK unitary authority)

Wales
Wales

Wales the geographical area

tk10publ tk10canl

Say hello to Evi

Evi is our best selling mobile app that can answer questions about local knowledge, weather, books, music, films, people and places, recipe ideas, shopping and much more.

To experience the full power of Evi you can download her app for free on iOS, Android and Kindle Fire.

Other ways this question is asked: