Top level category ofin Italian.
Use a categorizing tag for template itself in the region between <noinclude> and </noinclude>. If you add it out of the region, pages using the template categorized under this category. Those page must be categorized by categories for contents.
This category has the following 5 subcategories, out of 5 total.
Pages in category "IT:Templates"
The following 20 pages are in this category, out of 20 total.