google city are searches

I did not know this feature of google. I used to live in istanbul now in wroclaw. and I was wondering how small this city is. and search wroclow city are in google

https://www.google.pl/search?q=wroclaw+city+area


https://www.google.pl/search?q=istanbul+city+area


5343 km square is huge. population and traffic huge too. but I am happy with my small wroclaw :)