First, be easy with me, i m not an english men!
I need to do a website for multi city, for each city we have to do SEO separament for more results in local search
Example: car dealer washington, las vegas...
In my country we have 2000 city, how can i manage 2000 key words in my site? with 2000 pages? with sub-domaine?with subfolder? with URL rewriting?