To include a template in this category, add [[Category:Coordinates templates]]
to the <includeonly> section at the bottom of the template's /doc subpage if such a page exists. Otherwise, add <noinclude>[[Category:Coordinates templates]]</noinclude>
to the end of the template code, making sure it starts on the same line as the last character of the code.
Sample catscan to resolve conflicts of coordinates for title line define in the main templates (Geolinks-start, coor title dm, coor at dm) and an infobox: CategoryIntersect tool (sample should find Italian cities likely to include Infobox CityIT and one of the other templates that place the coordinates: currently no conflicts)