It's the Chabad Lubavitch Network of Jewish Camping.
Gan Or was created in 1983.
Global Area Network
RAF Gan was created in 1957.
Gan HaDarom was created in 1953.
Gan Yavne was created in 1931.
Gan-Shin was created in 2004.
Gan Sorek was created in 1950.
Gan HaShomron was created in 1934.
Ramat Gan was created in 1921.
Gan Shmuel was created in 1913.
Gan Ner was created in 1987.