A minor edit of
https://ankiweb.net/shared/info/2639768625, most credit goes there.
Made the following changes due to personal preferences:
-Added reverse cards, allowing you to use the prefecture name as the question, and then point to the map to guess the location. I found this much easier for memorizing new prefectures, instead of starting with the location.
-Separated out the reading into its own field, allowing you to practice the reading on reversed cards.
-Removed the suffixes, as I found them superfluous and distracting when almost all of them are 県 anyway. All you have to memorize is that Osaka and Kyoto uses 府, Tokyo uses 都, Hokkaido has no suffix, and everything else uses 県.
-Added cards for the 8 major regions marked in the original cards.