Wamp Creates the folder:
as the root of the website.
Files in this folders are served to the browser at the address:
Create a sub directory of that folder for you Dreamweaver site such as:
On the Local Info tab of the site definition set the Local Root Folder to this locatyion.
On the Testing Server Tab, set the server model to PHP MySQL and set the Access to local / Network.
The testing server folder should also be set to:
and the URL Prefix should be: