Draft tables to illustrate the administrative geography of the United Kingdom etc.

Level The Crown
Country United Kingdom[P] Crown dependencies British Overseas Territories
Legal jurisdiction See next table Manx law Law of Jersey Bailiwick of Guernsey[P] #Legal system
Nation Isle of Man[P] Jersey[P] Guernsey[P] Alderney[P] Sark
Parish Parishes, towns and villages[C] Parishes[C] Parishes[C] #Local government
Country United Kingdom[P]
Legal jurisdiction England and Wales Law of Northern Ireland Scots law
Nation England Wales[P] Northern Ireland[A] Scotland[P]
Region Greater London[C] Regions of England[R]
County City of London[C] N/A Metropolitan county Non-metropolitan county[C] Unitary authorities of England[C][U] Isles of Scilly[C][S] Unitary authorities[C] Districts[C] Unitary authorities[C]
District London boroughs[C] Metropolitan borough[B][C] Non-metropolitan district[B][C]
Parish Wards Civil parish[C][T] Community[M] Civil parishes Civil parishes

Notes (the markers above link to relevant articles where available):

[A] Has an assembly.
[B] Can have city, borough or royal borough status.
[C] Has a council.
[M] May have a council.
[P] Has a parliament.
[R] Used only for statistical and limited administrative purposes.
[S] Sui generis unitary authority. Not a county nor part of Cornwall. Powers similar to a mainland county.
[T] Can have city, town, village or neighbourhood status. Not all areas of England have parishes.
[U] Counties comprising one district. The council is at either county or district level.