Map data © amCharts / Antanas Marcelionis. Modified: selected Low GeoJSON, added computed label centers and bounding boxes, split by country and level. Free linkware requires visible amCharts branding link and original license. No amCharts runtime library is used.
City point data: GeoNames / lutangar cities.json 1.1.66, CC BY 4.0. Modified: removed Chinese mainland cities already covered by DataV, compacted WGS84 coordinates and administrative codes.
Bangladesh ADM3 boundaries © geoBoundaries / Bangladesh Bureau of Statistics / OCHA ROAP, CC BY 4.0, through bd-geojson 1.0.5. Modified: computed label centers, bounding boxes, stable IDs and compact JSON. See licenses/bangladesh-NOTICE.txt for original source and license links.
Data source homepages: https://www.amcharts.com/ ; https://www.geonames.org/ ; https://github.com/lutangar/cities.json ; https://www.geoboundaries.org/
All downloads used registry.npmmirror.com; no third-party runtime asset requests.