How to display the city names where saved on database n txtb

Hi Friends,
 
       i wanna create a application on goolge map with  marker instead of search box which is saved on database .

for example
  https://developers.google.com/maps/documentation/javascript/examples/places-searchbox


in these  link provides the textbox entered locations marker,but i need to display textbox with autofill where database Having places


how to show that?