To improve location accuracy and location-based services: When Location Accuracy is on for your Android device, Location Accuracy data is used to improve location accuracy and location-based services in Google and third party apps and services with the required permissions. Location Accuracy helps your device figure out its location more quickly and accurately than GPS and device sensors alone ...
Open Settings . Tap Location . Tap App location permissions. Under 'Allowed all the time,' 'Allowed only while in use,' 'Ask every time,' and 'Not allowed,' find the apps that can use your device's location. To change the app's permissions, tap it. Then, choose the location access for the app. Learn about app permissions.
If you grant location permissions to google.com or Google apps on your device, then when you search, your precise location will be used by Google to show you the best search results.