Download Multipolygon & CSV : https://drive.google.com/drive/folder...
Creating Study Area Map :    • Creating Shapefile and Study Area Map...  
Choropleth maps are a type of thematic map where areas are shaded or patterned in proportion to the value of a variable being represented. These maps are particularly effective for visualizing geographic distributions and patterns, such as population density, income levels, or any other variable aggregated by area.