I have visited, holidayed or lived in the following:
(In England)
Cambridge, Cheshire, Cornwall, the Lakes and other parts of Cumbria, Derbyshire, Devon, Dorset, Durham, Yorkshire (chiefly York, Harrogate, Leeds, Scarborough and Haworth), London, Manchester, Hampshire, Kent, Lancashire, Merseyside, Northamptonshire, Oxford, Shropshire, Somerset, Staffordshire, Sussex, Tyne and Wear, Warwickshire, and Wiltshire.
(In Wales) mainly north coast or Northern towns e.g. Rhyl, Conwy, Chirk, Llandudno, Llangollen, also Aberystwyth, Towyn, parts of the Llyn peninsula, other places maybe that I can't remember over 50 plus years.
Scotland - lived in Renfrewshire and Greater Glasgow, visited or holidayed in Edinburgh, various towns in Ayrshire, Perthshire, Dundee, Aberdeen and Aberdeenshire, mainly Gardenstown, Banff and Macduff, St. Andrews, Arran, Bute, Cumbria, Helensburgh, Stirling, various towns in Argyllshire, Dumfries and parts of D and G e.g. Kirkcudbright. Also parts of Fife. There must be more but again I can't remember them all.
Like pp I have never visited Northern Ireland. Really should put that right. Other places not mentioned will be ones I've never been to or just passed through on my way to somewhere else.