Thailand province reference boundaries
77 features. WGS84 / EPSG:4326 longitude/latitude; UTF-8 attributes.
Extract ALL files together; open th-adm1.shp in QGIS. Preserve .shx, .dbf, .prj and .cpg.
Fields: id = PCODE, en = English name, th = Thai name. Read identifiers as strings.
Source: https://data.humdata.org/dataset/cod-ab-tha
Valid on: 2022-01-22; upstream resource modified: 2026-01-26; recorded source check: 2026-07-27. These are not current-boundary guarantees.
Adaptation: Weighted Visvalingam, 1% removable-point retention; Bangkok 4%; keep-shapes; precision 0.00001 degrees.
No additional simplification is applied during export. Conversion does not restore survey detail. Regional reference only, not cadastral or legal boundary evidence.
Licence and attribution: see LICENSE.txt and SOURCE.md. Complete identifier set and source SHA-256: MANIFEST.json.
