|TERC identifier for matching entry in TERYT database|
|Used on these elements|
|Status: de facto|
|Tools for this tag|
- voivodeships admin_level=4
- powiats and cities with powiat status admin_level=6
- gminas admin_level=7
- towns and rural areas in urban-rural gminas admin_level=8 - sometimes also added on place=city and place=town nodes despite that TERC codes are of territorial division units
- districts and representations in urban gminas admin_level=9
This tag should appear only on object in Poland, as it is not assigned for locations in other countries.
TERYT database may be searched at http://eteryt.stat.gov.pl/eTeryt/rejestr_teryt/udostepnianie_danych/baza_teryt/uzytkownicy_indywidualni/wyszukiwanie/wyszukiwanie.aspx?contrast=default (switch to TERC tab)
teryt:terc on unexpected objects: https://overpass-turbo.eu/s/u9N
It is useful as it is a stable, unique and officially assigned id used in typical database containing useful information about administrative areas in Poland.
teryt:simc=* tag containing TERYT SIMC code.