Hitlerjugend: An In-Depth History: BDM Organizational structure
by Arvo L. Vercamer

The BDM was the female counterpart to the male HJ organization. The overwhelming focus of the BDM movement was to organize Germany's young females to take care of house and home, to learn farming and husbandry skills, etc., while the future warriors of the Reich fought for glory and Nationalist Socialist ideals. Their structure was similar to that of the male HJ organization, as can be seen from the below cited information.

Bund Deutscher Mädel (BDM) Werk "Galube und Schönheit" (highest unit to lowest unit):
-----Arbeitsgemeinschaft (comprised of 10-30 young ladies)
-----BDM-Werk-Gruppe (comprised of up to 10 Arbeitsgemeinschaften)
-----BDM-Werk-Ring (comprised of 3-5 BDM-Werk-Gruppen)

Bund Deutscher Mädel (BDM) (highest unit to lowest unit):
-----BDM Gauverbund (comprised of five Obergaue; 375.000-400.000 girls)
-----BDM Obergau (comprised of five Gaue; 75.000 girls)
-----BDM Gau (comprised of five Untergaue; 15.000 girls)
-----BDM Untergau (comprised of five Mädel-Ringe; 3.000 girls)
-----BDM Mädel-Ring (comprised of four Mädel-Gruppen; 600-800 girls)
-----BDM Mädel-Gruppe (comprised of three Mädel-Scharen; 150-200 girls)
-----BDM Mädel-Schar (comprised of three Mädelschaften; 50-60 girls)
-----BDM Mädelschaft (comprised of approximately 15 teenaged girls)

Jungmädel im BDM (highest unit to lowest unit):
----JM Ring (comprised of four JM Gruppen)
----JM Gruppe (comprised of three JM Scharen)
----JM Schar (comprised of three JM Schaften)
----JM Schaft (comprised of approximately 15 girls)