Mae Sai, Chiang Rai: district boundary and TH5709
Mae Sai is a district of Chiang Rai in the RTSD / HDX COD-AB boundary release, identified by TH5709. This reference provides its actual vendored polygon, upstream bilingual names and coordinate extent for checking identifiers and joining location data.
Official source names and identifiers
| Thai name | แม่สาย |
|---|---|
| English source name | Mae Sai |
| District PCODE | TH5709 |
| Province PCODE | TH57 |
Coordinate extent (WGS84 degrees)
| West longitude | 99.810700° |
|---|---|
| East longitude | 100.035800° |
| South latitude | 20.268800° |
| North latitude | 20.464700° |
These extrema come from the vendored district polygon in EPSG:4326. A bounding box includes places outside the district; use the polygon for a spatial join. It does not measure land area, distance, elevation or flood risk.
Subdistricts in this source
Subdistrict geometry is not included for this district in the vendored release. The province and district polygon remain available.
Use this boundary in a location analysis
Download the district GeoJSON and retain its PCODE, source and licence alongside your analysis.
Join a location to the polygon using longitude and latitude. Preserve the province parent code; avoid joining on English spellings alone.
Review dates and coverage for each additional layer separately. A district boundary supplies administrative context, not a hazard score or a complete registry of businesses.
Source, licence and reference dates
Royal Thai Survey Department (RTSD) source data, distributed through the Thailand COD-AB contributors and HDX. Attribution is required under CC BY-IGO. MapScale simplifies the upstream geometry for a lightweight reference; it is not a cadastral survey.
- Upstream valid-on date:
- Upstream resource modified:
- MapScale source verification:
These dates describe the boundary release and its verification. They are not observations of current conditions or a guarantee that every administrative change has been incorporated.
Other districts in the same province
Browse districts sharing the same source province parent. This list does not assert that their boundaries touch.