Most people don't have their latitude and longitude memorized. It is far easier for people to point out their approximate location on a map, than to look up their latitude and longitude online.
This also removes the need for a "Detect Location" button there.
Figure out a way to have zooming not turn the map into a blurry mess.
Make clicking on the copyright link open it, and for bonus points make the cursor a hand when hovering on it.
This introduces an additional dependency on Qt Location and Qt Positioning, along with their respective QML modules.