How to add on Prestashop 1.6 Areas or Cities per State

[dreamzine]

Hi i have a question that is:

 

I have a Multistore site and i want to know how to add cities and areas per per state?

 

Country

  state1

   -city1

     --area1

   -city2

    --area1

     --area2

 

or how to do that like this example site http://www.e-food.gr

select location.

[array064]

I hope future Prestashop version can do this.