Every time you run Google Maps or Navigation with GPS and WiFi enabled and if your device is able to get a good GPS fix, the currently visible WLAN networks and your current location (the GPS fix) are uploaded to Google to build and update the database. This technique is sometimes called crowdsourcing.

Geolocation: Displaying User or Device Position on Maps Jul 01, 2020 How does Google know my location even when I am using a Sep 05, 2008

How does Google know my exact location just from my IP?

Dec 04, 2011 · Mobile phones with a gps can report your location just about down to the exact address, otherwise your IP address indicates your service provider, which can be looked up in somewhat location databases, some report my location to be 20 miles south, others 25 miles west of my actual location. Google search also checks the location setting on the Apr 08, 2016 · Now that Google has a way to identify your router, it only needs a location to associate it with. A passerby with an Android phone will do that quite nicely. All Google needs to do is scoop up the phone’s GPS location at the time it is connected to your router, and it now has your router’s approximate location.

On Google Maps, tap the hamburger button in the top left, tap Your timeline, tap the triple-dot button in the top right and tap Settings. Under Location settings, you can see if Location Services

Use Google Location Sharing to Keep Track of Loved Ones Mar 10, 2019 How to find and delete where Google knows you've been