How does Google track location?

Question

Google

Hey! Everyone has known for a long time that Google can identify you with an accuracy of the area.
The question is how?

Answer 1

there goes + -5 meters. If you ask Google itself, the answer will be given immediately =)

Answer 2

Google determines the location using several technologies:
1. HTML5 Geolocation API (works best on devices connected via Wi-Fi, 3G, 4G)
2. By the nearest data center (Data Center) of your Internet provider, as well as your own data center.
3. By database IP address > location

Answer 3

he still somehow defines the campaign.
For example, I bought a VPS for Ubuntu, created rdp. I go into the browser on a remote machine, and down there, "Ukraine". How did he determine? If I specifically bought a Russian UPU?