Alpha Phi International Women's Fraternity (ΑΦ, also known as APhi) is an international sorority with 172 active chapters and over 250,000 initiated members. Founded at Syracuse University in Syracuse, New York on September 18, 1872, it is the fourth Greek-letter organization founded for women, and the first women's fraternity founded in the northeast. Alpha Phi is a member of the National Panhellenic Conference, the governing council of 26 women's fraternities. Alpha Phi's international headquarters are located in Evanston, Illinois.