Types There are NUMBER@1 metropolitan districts , NUMBER@2 LOCATION@1 boroughs , NUMBER@3 non-metropolitan districts , NUMBER@4 unitary authorities , the Isles of LOCATION@2 , and the City of LOCATION@1 , making a total of NUMBER@5 district-level authorities .

There are NUMBER@1 metropolitan districts , NUMBER@2 LOCATION@1 boroughs , NUMBER@3 non-metropolitan districts , NUMBER@4 unitary authorities , the Isles of LOCATION@2 , and the City of LOCATION@1 , making a total of NUMBER@5 district-level authorities .
