If you don't care about retaining all the history of one of the repositories, you can just create a new directory under one project's repository, then import the other. If you care about retaining the history of both, then you can use 'svnadmin dump' to dump one repository, and 'svnadmin load' to load it into the other repository. The revision numbers will be off, but you'll still have the history. The above quote is from the Subversion FAQ at Tigris.org. After reading it, one might get the impression...