# Setting Boundaries This section guides you on how to set up boundaries which are useful in the creating an [Alert Area by polygon]() . The Geo Manager allows for the addition of boundaries to be used in the creation of an alert area using the admin boundary option. ![Boundary Settings](../../_static/images/cap/geomanager_boundary.png "Boundary Settings") To access it, click on the geomanager in the explorer menu as below and select 'Boundary settings' to select the boundary data source and country/countries of interest. You will then need to add boundary data for the countries selected: ![Boundary Settings](../../_static/images/cap/geomanager_boundary_settings.png "Boundary Settings") Select the 'boundary data source' where you will download the boundaries. The current options are: - OCHA Administrative Boundary common Operational Datasets (COD-ABS) (*default*) https://data.humdata.org/ - Global Administrative Areas 4.1 (GADM) https://gadm.org/download_country.html ![Boundary Settings](../../_static/images/cap/geomanager_country_select.png "Boundary Settings") Add one or more countries To add boundary data, access the menu as below and click on 'Country Boundary Loader' and click 'Add boundary' button: ![Boundary Settings](../../_static/images/cap/geomanager_boundary_settings.png "Boundary Settings") ![Boundary Settings](../../_static/images/cap/add_admin_boundary.png "Boundary Settings") Load country boundaries at each of different levels (level 0 to 4) in zipped shapefile format ![Boundary Loader](../../_static/images/cap/upload_boundary_file.png "Boundary Loader") ```{note} Zip shapefiles seperately by Admin levels before upload. ```