aus.* Newsgroup Administration: Provides the definitive list of all newsgroups in aus.* (Australia) including charters, voting instructions and information on creation of new aus.* newsgroups.
ca.*: The California Usenet Project is an effort to coordinate the ca.* hierarchy (California, United States). Lists of newsgroups, charters, and plans.
dk.*: Information for news administrators about the dk.* hierarchy (Danish newsgroups), including public PGP key, current checkgroups message and archived control messages.
europa.*: International newsgroups hierarchy for topics covering the continent of Europe.
italia.*: List of sites carrying italia.* hierarchy (regional/local groups within Italy; it.* is for other Italian groups). Config files for your newsserver. Complete listing of all newsgroups in the italia.* hierarchy their charters.
japan.*: One of the hierarchies for Japan (along with fj.*). Checkgroups, sample control.ctl entry, policies.
k12.*: The history of the hierarchy, a list of all newsgroups in the hierarchy, information about each group, and links to pages about some of the individual groups.
nj.*: New Jersey, United States. Rules, checkgroups, administration, list of groups.
Regional Newsgroup Hierarchies: From Dan Kegel. Lists various hierarchies, including some for which there is just an (old) checkgroups, rather than an official web page.
sbay.*: South Bay (San Jose and nearby areas, about 50 miles south of San Francisco), California, United States. Charters, policies, group list.
us.*: Policies, lists of groups for us.* (United States).
Usenet II: The net.* hierarchy is based on the concept of "sound sites". The goal is to create a new Usenet as free as possible from spam and other maladies.