Hashomer Hatzair (Hebrew: השומר הצעיר, also transliterated Hashomer Hatsair or HaShomer HaTzair, translating as The Youth Guard) is a Socialist–Zionist youth movement founded in 1913 in Galicia, Austria-Hungary, and was also the name of the group's political party in the Yishuv in the pre-1948 British Mandate of Palestine (see Hashomer Hatzair Workers Party of Palestine).
Hashomer Hatzair along with HaNoar HaOved VeHaLomed of Israel are members of the International Falcon Movement – Socialist Education International.
Read more about Hashomer Hatzair: Early Formation, Growth and The Holocaust, Hashomer Hatzair Today, Life Movement (Tnuat Bogrim / Kidmah / Kidma / Kidmat Anilewicz)