At the right end of the Address field, you will find a small road-circle geolocation icon. Just click on it when you’re at office and it will automatically fill your address and put it on the map. You can pin-point your location on the map by manually dragging the pin, if it’s not accurate.
If you are inserting your address manually, first select the State and then City from the dropdown. Now before filling your complete address, click this button (Set Address on Map):
Now proceed to fill complete address, PIN etc. and drag the pin on map to your exact location.