Tourist Information
Most of the larger cities in the UK have a tourist information website with the following format, for example: www.visitcardiff.com
Also try online searching 'tourist information' plus the place name of where you would like to go.
Visit Wales
Visit England
Discover Northern Ireland
Visit Scotland
Other
HOST UK is a voluntary organisation, a network of UK residents who welcome adult international students to their homes for a weekend, day or Christmas visit.