The Site Directory contains links to all the sites created within a portal site. These links are added when the sites are created. You can also add links to existing sites.
On the portal site home page, on the Top Navigation bar, click Sites to open the Site Directory.
On the Top Navigation bar, under Site Actions, click Add Link to Site.
On the New Item page, type a title and URL for the site.
You can also type a description of the site as well as an owner and other information. Select the Top Site check box to have the link listed in the Top Sites view of the Site Directory.
Click OK to save your changes and return to the Site Directory.