In addition to HSC Haltern-Sythen, 109 other teams from 13 different countries do play in Girls 15. They are divided into 18 different groups, whereof HSC Haltern-Sythen can be found in Group 2 together with IR 1, IK Baltichov 2, BK Heid 2, Ull-Kisa IL 1 and Haslum IL.