01
Stable places, changing versions
A place keeps one identifier while its name, parent, code, and boundary change through non-overlapping time ranges.
G
OpenAPIGeotome
Poland · first edition
Place × data × hierarchy × time
Click the map. Ask where, when, and what.
Explore official Polish administrative boundaries and regional statistics. Compare population, density, natural increase, and unemployment, or resolve a coordinate through one consistent API.
- 4
- Official indicators
- 128
- Local observations
- 1 sec
- Temporal precision
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02
Statistics join stable places
Annual observations attach to the same stable identifiers as the map, so every value remains queryable across place and time.
03
Source data stays visible
Each result includes the source, revision, observation time, license, and attribution needed to understand its origin.