They live together, take the same classes and participate in many of the same activities.
The UNK chapter ranks second among all 132 Delta Tau Delta chapters and colonies nationwide.
The new sorority housing was dedicated Thursday afternoon.
Bess Furman Armstrong Hall opened in early January.
Students began moving into the new sorority housing earlier this month.
The 41,000-square-foot residence hall is the new home for Panhellenic sororities.