Please allow me to add HTML code of the GoogleMap map. And let it be visualized.
It is very tedious to use Shordcodes for each address.
Not all of us use the Geolocation at least in my country it is imprecise, because there are numerous duplicate addresses in places that do not correspond and Google has not corrected them for years.
Please send more details about the required changes, do you mean changing the map JS settings or markup? The map is rendered by Google and can be managed via the JS settings only, but we plan to add some API or options for customizing the map.
You can use the Geolocation extension, it embeds a map to each listing and you don’t have to use third-party plugin shortcodes unless some specific map customizations are needed.