For example, you probably don’t want location data in photos you’ve taken in your back yard showing up on social media, allowing people to find exactly where you live. But you may not want people to be able to figure out where all your photos were taken. For some photos, like that one of the Eiffel Tower, it’s obvious where you’ve taken them.
This allows you to sort through your photo library and find all your photos from your last vacation, or from favorite sites you like to visit. It’s great to have location data stored in your photos. How To How to remove GPS location data from photos on iPhone or Mac