US Census Bureau - USA County and District Cartographic Boundary Files. Various open street map shapefiles are also available from VDS tech. These maps are community edited and are not always complete. Open Street Map - A growing collection of shapefile map downloads by continent, region and country. MapCruzin - A great source for all kinds of shapefiles. Search for any kind of map, then click on the "shapefile" button to the right of the map (if available) to download the shapefiles. Geocommons - A huge database of user submitted maps. OSM Boundaries: Download shapefile maps from Open Street Map - please note these are community edited, and not always complete. StatSilk - Interactive country-level shapefile maps. Map Library - Country shapefile maps for Africa in the public domain. However, it only covers select countries, shown in this map. If you cannot find it through the website, type in Google: InsertCountryName shapefile site: These maps are updated on a more regular basis because they are used by UN, government and development agencies and need to reflect the current situation. 
HDX - In some countries boundaries change regularly, and for these countries the Humanitarian Data Exchange maps is a better source than GADM. 
For an alternative source based on GADM, but which also includes roads, railroads, altitude and land cover, see DIVA-GIS.
GADM - Recently updated shapefile maps for all countries. GADM - Another great world shapefile map, which comes with multiple administrative layers. Natural Earth - world maps - Excellent world shapefile maps with national boundaries, first order admin (provinces, states, etc.), disputed areas, coastlines, populated areas and more at various scale levels. The shapefile (or ESRI shapefile) format is a geospatial vector format, and is one of the most commonly used map formats. #3d maps of india free download for free#
Thousands of shapefile maps can be downloaded for free from the following websites, including country shapefiles, shapefiles at province or state level, and other administrative boundaries maps.
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