The Theater offices and the costumes collection are housed in a 5-storey historic building in Plaka, the old town of Athens. It the 18th century it used to be the residence of George Finley, the famous British historian of the Greek Revolution. In the same building are kept the archives of recordings, films and field notes. There is also a library, a costume maintenance workshop, a lecture hall and a computer room. Publications include over 50 records and a series of 60 books in several languages. Also programs, postcards, posters, videocassettes and tee-shirts. The Theater undertakes the fabrication of costumes, simplified copies of its originals made to order for folk dance groups. It also assists film and theater directors, choreographers and costume designers in the staging of performances with traditional character.
In the same building are located the headquarters of the Athens Section and the office of the President of CID UNESCO, the summit organization for all forms of dance, with thousands of members in 150 countries. The most notable dance professionals belong to this organization. The Athens Section has its own activities, such as publishing a color magazine and providing guidance to dance schools and companies around the country.