I AM NOT SURE but let's have a try with it if it works
Add a location
Important: To add a location on a photo or video, you must back it up first.
On your iPhone or iPad, open Google Photos
.
Open the photo or video.
Tap More
Add a location
.
Add or select a location from your recent locations.
Edit or remove an estimated location from a photo
Important: You can only update or remove estimated locations. If the location of a photo or video was automatically added by your camera, you can't edit or remove the location.
On your iPhone or iPad, open Google Photos
.
Open the photo or video.
Tap More
Edit
.
Add or select a location from your recent locations.
To remove the estimated location, tap Remove location.
You can also edit the location of multiple photos:
On your iPhone or iPad, open Google Photos
.
Select the photos whose location you want to edit.
Tap More
Edit location.
Add or select the location.
To remove the location, tap Remove location.
Tip: When you select multiple photos or videos, you may be informed that Google Photos can't edit location information added by your camera. To proceed, deselect those photos or videos.
I AM NOT SURE but let's have a try with it if it works
Add a location
Important: To add a location on a photo or video, you must back it up first.
On your iPhone or iPad, open Google Photos
.
Open the photo or video.
Tap More
Add a location
.
Add or select a location from your recent locations.
Edit or remove an estimated location from a photo
Important: You can only update or remove estimated locations. If the location of a photo or video was automatically added by your camera, you can't edit or remove the location.
On your iPhone or iPad, open Google Photos
.
Open the photo or video.
Tap More
Edit
.
Add or select a location from your recent locations.
To remove the estimated location, tap Remove location.
You can also edit the location of multiple photos:
On your iPhone or iPad, open Google Photos
.
Select the photos whose location you want to edit.
Tap More
Edit location.
Add or select the location.
To remove the location, tap Remove location.
Tip:
When you select multiple photos or videos, you may be informed that Google Photos can't edit location information added by your camera. To proceed, deselect those photos or videos.