|boundary = historic|
|A historic administrative boundary|
|Used on these elements|
|Status: In use|
|Tools for this tag|
A historic administrative boundary. Subdivisions of areas/territories/jurisdictions recognised by governments or other organisations for administrative purposes.
A historic administrative boundaries range from large groups of nation states right down to small administrative districts and suburbs, with an indication of this size/level of importance, given by the combo tag admin_level=* which takes a value from 1 to 10 as described below.
The boundary=historic tag is used on ways . It may also (or instead) be used on a relation grouping several ways.
See comparison of life cycle concepts for more possibilities.
admin_level=1 to 10 describes the hierarchy of different historic administrative borders.