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forma estesa: Regno Unito di of Gran Bretagna e Irlanda del Nord; note - la Gran Bretagna include Inghilterra, Scozia, e Galles
forma breve: Regno Unito
abbreviazione: UK

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monarchia costituzionale

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Londra

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Inghilterra - 47 boroughs, 36 contee, 29 boroughs di Londra, 12 città e boroughs, 10 distretti, 12 città, 3 royal boroughs
boroughs: Barnsley, Blackburn with Darwen, Blackpool, Bolton, Bournemouth, Bracknell Forest, Brighton e Hove, Bury, Calderdale, Darlington, Doncaster, Dudley, Gateshead, Halton, Hartlepool, Kirklees, Knowsley, Luton, Medway, Middlesbrough, Milton Keynes, North Tyneside, Oldham, Poole, Reading, Redcar e Cleveland, Rochdale, Rotherham, Sandwell, Sefton, Slough, Solihull, Southend-on-Sea, South Tyneside, St. Helens, Stockport, Stockton-on-Tees, Swindon, Tameside, Thurrock, Torbay, Trafford, Walsall, Warrington, Wigan, Wirral, Wolverhampton
contee: Bedfordshire, Buckinghamshire, Cambridgeshire, Cheshire, Cornwall, Cumbria, Derbyshire, Devon, Dorset, Durham, East Sussex, Essex, Gloucestershire, Hampshire, Herefordshire, Hertfordshire, Isle of Wight, Kent, Lancashire, Leicestershire, Lincolnshire, Norfolk, Northamptonshire, Northumberland, North Yorkshire, Nottinghamshire, Oxfordshire, Shropshire, Somerset, Staffordshire, Suffolk, Surrey, Warwickshire, West Sussex, Wiltshire, Worcestershire
boroughs di Londra: Barking e Dagenham, Barnet, Bexley, Brent, Bromley, Camden, Croydon, Ealing, Enfield, Greenwich, Hackney, Hammersmith e Fulham, Haringey, Harrow, Havering, Hillingdon, Hounslow, Islington, Lambeth, Lewisham, Merton, Newham, Redbridge, Richmond upon Thames, Southwark, Sutton, Tower Hamlets, Waltham Forest, Wandsworth
città e boroughs: Birmingham, Bradford, Coventry, Leeds, Liverpool, Manchester, Newcastle upon Tyne, Salford, Sheffield, Sunderland, Wakefield, Westminster
distretti: Bath e North East Somerset, East Riding of Yorkshire, North East Lincolnshire, North Lincolnshire, North Somerset, Rutland, South Gloucestershire, Telford e Wrekin, West Berkshire, Wokingham
città: City of Bristol, Derby, City of Kingston upon Hull, Leicester, City of London, Nottingham, Peterborough, Plymouth, Portsmouth, Southampton, Stoke-on-Trent, York
royal boroughs: Kensington e Chelsea, Kingston upon Thames, Windsor e Maidenhead
Northern Irlanda - 24 distretti, 2 città, 6 contee
distretti: Antrim, Ards, Armagh, Ballymena, Ballymoney, Banbridge, Carrickfergus, Castlereagh, Coleraine, Cookstown, Craigavon, Down, Dungannon, Fermanagh, Larne, Limavady, Lisburn, Magherafelt, Moyle, Newry e Mourne, Newtownabbey, North Down, Omagh, Strabane
città: Belfast, Derry
contee: County Antrim, County Armagh, County Down, County Fermanagh, County Londonderry, County Tyrone
Scozia - 32 consigli di area: Aberdeen City, Aberdeenshire, Angus, Argyll e Bute, The Scottish Borders, Clackmannanshire, Dumfries e Galloway, Dundee City, East Ayrshire, East Dunbartonshire, East Lothian, East Renfrewshire, City of Edinburgh, Falkirk, Fife, Glasgow City, Highland, Inverclyde, Midlothian, Moray, North Ayrshire, North Lanarkshire, Orkney Islands, Perth e Kinross, Renfrewshire, Shetland Islands, South Ayrshire, South Lanarkshire, Stirling, West Dunbartonshire, Eilean Siar (Western Isles), West Lothian;
Galles - 11 boroughs di contea, 9 contee, 2 città e contee
boroughs di contea: Blaenau Gwent, Bridgend, Caerphilly, Conwy, Gwynedd, Merthyr Tydfil, Neath Port Talbot, Newport, Rhondda Cynon Taff, Torfaen, Wrexham
contee: Isle of Anglesey, Ceredigion, Carmarthenshire, Denbighshire, Flintshire, Monmouthshire, Pembrokeshire, Powys, The Vale of Glamorgan
città e contee: Cardiff, Swansea

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Anguilla, Bermuda, Territorio Britannico dell’Oceano Indiano, Isole Vergini Britanniche, Isole Cayman, Isole Falkland, Gibilterra, Guernsey, Jersey, Isola di Man, Montserrat, Isole Pitcairn, Sant’Elena e Ascension, South Georgia e le Isole Sandwich del Sud, Turks e Caicos

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non scritta; formata in parte da statuti, common law e consuetudini

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18 anni di età; universale

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capo dello stato: Regina ELISABETTA II (dal 6 febbraio 1952); erede legittimo al Trono Principe CARLO (figlio della Regina, nato il 14 novembre 1948)
capo del governo: Primo Ministro Anthony (Tony) BLAIR (dal 2 maggio 1997)
gabinetto: Gabinetto dei Ministri nominato dal primo ministro
elezioni: nessuna; monarchia ereditaria; a seguito delle elezioni legislative, il leader del partito di maggioranza o della coalizione di maggioranza diviene solitamente primo ministro