App: My Maps
In Google Drive, you can find the google Maps that is “My Maps” app. You can use this feature by just click the arrow from the search box, select “Google My Maps” from the “opens with” list and click the search button or you can use the “opens with” feature that was added in the new Google Drive interface. Just Google Drive will display all the maps you’ve created in Google My Maps. Another option is to search for app:”google my maps”.
Here the screenshots to showcase the ways to find the maps in google drive: