Boundaries
- English & Welsh county boundaries. From The Association of British Counties.
- Scottish county & parish boundaries From GeoGenealogy's Gazetteer of Scotland.
- Southern Ireland county boundaries From Dublinstreams.
England
County boundaries
- Bedfordshire.
- Buckinghamshire.
- Berkshire.
- Cambridgeshire.
- Cheshire.
- Cornwall.
- Cumberland.
- Derbyshire.
- Devon.
- Dorset.
- Durham.
- Essex.
- Gloucestershire.
- Hampshire.
- Herefordshire.
- Hertfordshire.
- Huntingdonshire.
- Isle_of_Wight.
- Kent.
- Lancashire.
- Leicestershire.
- Lincolnshire.
- Greater_London.
- Middlesex.
- Norfolk.
- Northamptonshire.
- Nottinghamshire.
- Northumberland.
- Oxfordshire.
- Rutland.
- Shropshire.
- Somerset.
- Staffordshire.
- Suffolk.
- Surrey.
- Sussex.
- Warwickshire.
- Westmorland.
- Wiltshire.
- Worcestershire.
- Yorkshire.
Ireland
County boundaries
- Antrim
- Armagh
- County Carlow.
- County Cavan.
- County Clare.
- County Cork.
- County Donegal.
- County Down.
- County Dublin.
- Fermanagh
- County Galway.
- County Kerry.
- County Kildare.
- County Kilkenny.
- County Laois (Queens).
- County Leitrim.
- County Limerick.
- Londonderry
- County Longford .
- County Louth.
- County Mayo.
- County Meath.
- County Monaghan.
- County Offaly (Kings).
- County Roscommon.
- County Sligo.
- County Tipperary.
- Tyrone
- County Waterford.
- County Westmeath.
- County Wexford.
- County Wicklow.
Scotland
County boundaries
- Aberdeenshire
- Angus
- Argyllshire
- Ayrshire
- Banffshire
- Berwickshire
- Bute
- Caithness
- Clackmannanshire
- Dumfries-shire
- Dunbartonshire
- East_Lothian
- Fife
- Inverness-shire
- Kincardineshire
- Kirkcudbrightshire
- Kinross-shire
- Lanarkshire
- Midlothian
- Morayshire
- Nairn
- Orkney
- Peebles-shire
- Perthshire
- Renfrewshire
- Ross_and_Cromarty
- Roxburghshire
- Selkirkshire
- Shetland
- Stirlingshire
- Sutherland
- Wigtownshire
- West_Lothian
Parish boundaries
- Aberdeenshire .
- Angus.
- Argyllshire.
- Ayrshire.
- Banffshire.
- Berwickshire.
- Bute.
- Caithness.
- Clackmannanshire.
- Dumfries-shire.
- Dunbartonshire.
- East_Lothian.
- Fife.
- Inverness-shire.
- Kincardineshire.
- Kirkcudbrightshire.
- Kinross-shire.
- Lanarkshire.
- Midlothian.
- Morayshire.
- Nairn.
- Orkney.
- Peebles-shire.
- Perthshire.
- Renfrewshire.
- Ross_and_Cromarty.
- Roxburghshire.
- Selkirkshire.
- Shetland.
- Stirlingshire.
- Sutherland.
- Wigtownshire.
- West_Lothian.
Wales
County boundaries
- Anglesey.
- Breconshire.
- Caernarvonshire.
- Cardiganshire.
- Carmarthenshire.
- Denbighshire.
- Flintshire.
- Glamorgan.
- Merionethshire.
- Monmouthshire.
- Montgomeryshire.
- Pembrokeshire.
- Radnorshire.