Here is a list of the UK counties available.
ENGLAND
1. Bedfordshire (Bedford, Luton, Dunstable, Leighton Buzzard, Biggleswade, Sandy)
2. Berkshire (Reading, Bracknell, Maidenhead, Newbury, Windsor, Wokingham, Abingdon)
3. Buckinghamshire (Aylesbury, Milton Keynes, Slough, Buckingham, High Wycombe)
4. Cambridgeshire (Cambridge, Wisbech, Ely, March, Whittlesey, Chatteris, Linton)
5. Cheshire (Chester, Stockport, Ellesmere Port, Birkenhead, Wallasey, Runcorn, Macclesfield, Crewe)
6. Cornwall (Bodmin, Truro, Camborne, Redruth, St. Austell, Falmouth, Penzance, Newquay)
7. Cumberland (Carlisle, Whitehaven, Workington, Penrith, Keswick, Brampton)
8. Derbyshire (Derby, Chesterfield, Ilkeston, Swadlincote, Buxton, Matlock, Ashbourne)
9. Devon (Exeter, Plymouth, Torquay, Paignton, Barnstaple, Tiverton, Newton Abbot, Tavistock)
10. Dorset (Dorchester, Poole, Weymouth, Sherborne, Wimborne Minster, Shaftesbury)
11. Durham (Durham, Sunderland, Stockton-on-Tees, Darlington, Hartlepool, Gateshead, Washington)
12. Essex (Chelmsford, Basildon, Romford, Southend, Colchester, Harlow, Brentwood, West Ham)
13. Gloucestershire (Gloucester, Bristol, Cheltenham, Stroud, Cirencester, Tewkesbury)
Greater Manchester
14. Hampshire (Winchester, Southampton, Portsmouth, Bournemouth, Basingstoke, Newport)
15. Herefordshire (Hereford, Ross-on-Wye, Leominster, Ledbury, Bromyard, Kington)
16. Hertfordshire (Hertford, Watford, St. Albans, Hemel Hempstead, Stevenage, Hatfield)
17. Huntingdonshire (Huntingdon, St. Ives, St. Neots, Ramsey, Yaxley)
18. Kent (Maidstone, Canterbury, Bromley, Rochester, Margate, Folkestone, Dover, Greenwich)
19. Lancashire (Lancaster, Liverpool, Manchester, Preston, Bolton, Warrington, Barrow-in-Furness)
20. Leicestershire (Leicester, Loughborough, Hinckley, Melton Mowbray, Coalville, Lutterworth)
21. Lincolnshire (Lincoln, Grimsby, Scunthorpe, Boston, Grantham, Stamford, Skegness, Louth)
22. Middlesex (City of London, Harrow, Enfield, Staines, Ealing, Potters Bar, Westminster )
23. Norfolk (Norwich, Great Yarmouth, King's Lynn, Dereham, Cromer, Hunstanton)
24. Northamptonshire (Northampton, Peterborough, Corby, Kettering, Wellingborough)
25. Northumberland (Alnwick, Newcastle-upon-Tyne, Morpeth, Hexham, Berwick-upon-Tweed)
26. Nottinghamshire (Nottingham, Mansfield, Worksop, Newark, Retford, Southwell)
27. Oxfordshire (Oxford, Banbury, Witney, Bicester, Henley-on-Thames, Carterton, Thame)
28. Rutland (Oakham, Uppingham. Cottesmore)
29. Shropshire (Shrewsbury, Telford, Oswestry, Bridgnorth, Whitchurch, Market Drayton, Ludlow)
30. Somerset (Taunton, Bath, Weston-super-Mare, Yeovil, Bridgwater, Wells, Glastonbury)
31. Staffordshire (Stafford, Stoke-on-Trent, Wolverhampton, Walsall, Cannock, Lichfield)
32. Suffolk (Ipswich, Bury St. Edmunds, Lowestoft, Felixstowe, Sudbury, Haverhill, Bungay)
33. Surrey (Guildford, Croydon, Woking, Sutton, Kingston-on-Thames, Wandsworth, Wimbledon, Brixton)
34. Sussex (Chichester, Brighton, Worthing, Crawley, Hastings, Eastbourne, Bognor Regis, Horsham)
35. Warwickshire (Warwick, Birmingham, Coventry, Nuneaton, Rugby, Solihull, Stratford-upon-Avon)
36. Westmorland (Appleby, Kendal, Windermere, Ambleside, Kirkby Lonsdale)
37. Wiltshire (Trowbridge, Salisbury, Swindon, Chippenham, Devizes, Marlborough, Warminster)
38. Worcestershire (Worcester, Dudley, Kidderminster, Stourbridge, Halesowen, Malvern, Evesham)
39. Yorkshire
North Riding (Northallerton, Middlesbrough, Scarborough, Whitby)
East Riding (Beverley, Hull, Bridlington, Driffield, Hornsea, Filey)
West Riding (Wakefield, Leeds, Sheffield, Bradford, Halifax, Harrogate)
York (within the Walls)
WALES (including Monmouthshire)
40. Anglesey/Sir Fon (Beaumaris, Holyhead, Llangefni, Amlwch, Menai Bridge)
41. Brecknockshire/Sir Frycheiniog (Brecon, Builth Wells, Hay-on-Wye, Talgarth, Llanwrtwd Wells)
42. Caernarfonshire/Sir Gaernarfon (Caernarfon, Bangor, Llandudno, Conwy, Pwllheli, Porthmadog)
43. Carmarthenshire/Sir Gaerfyrddin (Carmarthen, Llanelli, Ammanford, Llandovery, Kidwelly, St. Clears)
44. Cardiganshire/Ceredigion (Cardigan, Aberystwyth, Lampeter, New Quay, Tregaron)
45. Denbighshire/Sir Ddinbych (Denbigh, Wrexham, Ruthin, Abergele, Llangollen)
46. Flintshire/Sir Fflint (Mold, Flint, Rhyl, Prestatyn, Connah's Quay, Holywell, Buckley, St. Asaph)
47. Glamorgan/Morgannwg (Cardiff, Swansea, Merthyr Tydfil, Barry, Caerphilly, Bridgend, Neath, Pontypridd)
48. Merioneth/Meirionnydd (Dolgellau, Bala, Tywyn, Blaenau Ffestiniog, Barmouth, Harlech)
49. Monmouthshire/Sir Fynwy (Monmouth, Newport, Blackwood, Cwmbran, Abergavenny, Chepstow, Tredegar)
50. Montgomeryshire/Sir Drefaldwyn (Montgomery, Newtown, Welshpool, Machynlleth, Llanidloes)
51. Pembrokeshire/Sir Benfro (Pembroke, Milford Haven, Haverfordwest, Fishguard, Tenby, St. David's)
52. Radnorshire/Sir Faesyfed (Presteigne, Llandrindod Wells, Knighton, Rhayader, New Radnor)
SCOTLAND
53. Aberdeenshire (Aberdeen, Peterhead, Fraserburgh, Inverurie, Huntley, Ellon, Turriff)
54. Angus/Forfarshire (Forfar, Dundee, Arbroath, Brechin, Montrose, Carnoustie, Kirriemuir)
55. Argyllshire (Inveraray, Oban, Dunoon, Campbeltown, Lochgilphead, Tobermory)
56. Ayrshire (Ayr, Kilmarnock, Irvine, Saltcoats, Kilwinning, Largs, Troon, Cumnock)
57. Banffshire (Banff, Buckie, Keith, Macduff, Portsoy, Dufftown)
58. Berwickshire (Greenlaw, Duns, Eyemouth, Lauder, Coldstream)
59. Buteshire (Rothesay, Millport, Brodick, Lochranza)
60. Cromartyshire (Cromarty, Ullapool)
61. Caithness (Wick, Thurso, Halkirk, Castletown)
62. Clackmannanshire (Clackmannan, Alloa, Tillicoultry, Tullibody)
63. Dumfriesshire (Dumfries, Annan, Lockerbie, Moffat, Sanquhar, Langholm, Gretna)
64. Dunbartonshire/Dumbartonshire (Dumbarton, Clydebank, Cumbernauld, Helensburgh, Alexandria, Kirkintilloch)
65. East Lothian/Haddingtonshire (Haddington, North Berwick, Dunbar, Tranent, East Linton)
66. Fife (Cupar, Dunfermline, Glenrothes, Kirkcaldy, St. Andrews, Cowdenbeath, Burntisland)
67. Inverness-shire (Inverness, Fort William, Kingussie, Newtonmore, Portree)
68. Kincardineshire (Stonehaven, Banchory, Laurencekirk, Inverbervie)
69. Kinross-shire (Kinross, Milnathort)
70. Kirkcudbrightshire (Kircudbright, Castle Douglas, Dalbeattie, New Galloway)
71. Lanarkshire (Lanark, Glasgow, East Kilbride, Hamilton, Motherwell, Coatbridge, Carluke)
72. Midlothian/Edinburghshire (Edinburgh, Musselburgh, Penicuik, Dalkeith, Bonnyrigg)
73. Morayshire (Elgin, Forres, Rothes, Lossiemouth, Fochabers)
74. Nairnshire (Nairn, Auldearn, Cawdor, Ferness)
75. Orkney (Kirkwall, Sromness, Balfour)
76. Peeblesshire (Peebles, Innerleithen, West Linton)
77. Perthshire (Perth, Crieff, Pitlochry, Callander, Blairgowrie, Rattray, Coupar Angus, Kincardine)
78. Renfrewshire (Renfrew, Paisley, Greenock, Johnstone, Port Glasgow, Barrhead, Kilmalcolm)
79. Ross-shire (Dingwall, Stornaway, Tain, Alness, Invergorden)
80. Roxburghshire (Jedburgh, Hawick, Kelso, Melrose, Roxburgh)
81. Selkirkshire (Selkirk, Clovenfords, Galashiels)
82. Shetland (Lerwick, Scalloway, Baltasound)
83. Stirlingshire (Stirling, Falkirk, Grangemouth, Kilsyth, Bridge of Allan, Denny, Alva)
84. Sutherland (Dornoch, Helmsdale, Brora, Golspie, Lairg, Durness, Tongue)
85. West Lothian/Linlithgowshire (Linlithgow, Livingston, Bo'ness, Broxburn, Whitburn, Armadale, Bathgate)
86. Wigtownshire (Wigtown, Stranraer, Newton Stewart, Whithorn)
