If you want to move the entire working copy, just move it to the file system.
If you want to move the folder in the working copy and then copy the move, right-click on the folder, select TortoiseSVN-> Rename.
Change YourFolder to something like ..\..\NewFolder\AnotherFolder\YourFolder . Note that ..\..\NewFolder\AnotherFolder\ must exist before the operation.
Another way to move files and folders from TortoiseSVN is to use the repository browser. There you can easily drag them to new places. Files are moved to the remote svn repository. You need to update your working copy to allow local movements.
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