If you want to know where the photos were taken later, you can activate the location for photos. when you take the photo, the location is simultaneously retrieved and saved in the photo's meta data. geotagging can be activated or deactivated in the camera settings directly in the app.

Android 10 | ColorOS 7.0
Step 1:  Open the  Camera -App
Step 2:  Open the  Menu
Step 3:  Tap on  Settings
Step 4:  Enable or Disable  Location
  1. Open the Camera-App
  2. Open the Menu
  3. Tap on Settings
  4. Enable or Disable Location

Oppo Instructions