A Hippy Commune is where a large number of Hippies live. These generally can be found by smell, as they tend to be quite odiferous. They also can be found if one looks for a large number of telecommunications lines and equipment ending in one location.
Many people live in Hippy Communes, and not just hippies. Often times entire countries can be found in hippy communes.
Hippy Communes are found throughout the world. In Israel, a hippy commune is known as a Kibbutz.
They may not shave often enough but they will share their bread with you.