poland open data

Voivodeships (Województwa) of the Poland, 2025. ADM1. 16 województwa, stable since 1999. JPT_KOD_JE = 2-digit TERC ('02' dolnośląskie — leading zero is data). Names are lowercase adjectives (official Polish style: 'dolnośląskie').

16 features

Counties (Powiaty) of the Poland, 2025. ADM2. 314 powiaty + 66 cities with powiat rights = 380. JPT_KOD_JE = 4-digit TERC (woj 2 + powiat 2). Names: 'powiat jędrzejowski' (land county, adjective) vs 'powiat Kalisz' (city-county, proper noun). Full-res 35MB shp → GeoParquet + 0.0005° to stay under the GeoJSON identify wall.

380 features

Municipalities (Gminy) of the Poland, 2025. ADM3, the primary join level. 2,479 gminy as of 2025-01-01 (research said 2,477 — the source is the truth). JPT_KOD_JE = 7-digit TERC (6-digit unit + 1 rodzaj digit: 1 miejska / 2 wiejska / 3 miejsko-wiejska); GUS statistics key on the 7-digit form, some tables on the 6-digit — both derivable from this column. Gmina names are bare ('Wadowice') and NOT unique nationally — join on TERC, never names. Full-res 83MB shp → GeoParquet + 0.0001°.

2,479 features