For global consistency, GADM.org provides comprehensive spatial database files for Bangladesh.
A GIS (Geographic Information System) update typically comes as a compressed folder containing shapefiles (.shp), GeoJSON, or geodatabase files. These files map out the intricate layers of Bangladesh’s administrative structure, ranging from entire national boundaries to local wards. Key datasets often included in these updates are: BangladeeGiasniUhdatezip
Unlocking Local Data: The Essential Guide to Bangladesh GIS and Administrative Updates For global consistency, GADM