Julien Leconte

That happens when several places share the same name, or close variations of it. Nothing I can do with it, really. 
What you had there is what works the best. A simple "text" input field. An address field require a full working address, which I don't believe a whole lot of your members are ready to give out. This field also require Google Maps API to be turned on in ACP > Community Enhancements.
 

Hello ! 
Thanks Mike John for your help, the problem has been identified as the Spam service settings like you said  great !