How to create a map with markers on GoogleMaps?

Question

PHP

Good afternoon. There is a base country city street, how you can implement such a https://tranio.com/ map. That is, you need to display markers at addresses, after moving around the map you can see new markers.

Answer 1

for starters https://developers.google.com/maps/documentation/j...
plus the rape of google, there are tons of information on the topic.
and here you can already ask specific questions if there is a plug somewhere.

Answer 2

I looked at all this, the question is that there is a lot of data, and it is not clear how to make selections, how best to store them in coordinates or simply.