Create a Map with Custom Boundaries
It is possible to import custom map boundaries into CODAP via a GeoJSON file, which you can either find by searching the web for something like "Canadian provinces GeoJSON file," for example, or by creating your own GeoJSON file and specifying your own boundaries (search the web for "create your own GeoJSON").
The following video shows how to create maps with boundaries that are not included in the standard boundary sets in CODAP:
To learn more about maps in CODAP, visit the Getting Started with Maps page.