@Pierre ********
On a Computer:
Open Google Maps in your web browser.
Navigate to the desired location on the map.
Right-click on the specific spot or area. A pop-up window will appear.
At the top of this window, you will find the latitude and longitude in decimal format.
Click on the coordinates to copy them to your clipboard.
On a Mobile Device (iOS or Android):
Open the Google Maps app.
Tap and hold the desired location on the map until a red pin appears.
Swipe up on the panel that appears at the bottom of the screen.
The GPS coordinates (latitude and longitude) will be displayed under the address or location details.