I thought that Bama thread was so informative that's I'd start another for Auburn.
question: I looked pretty much everywhere and can't find any sorority houses. Where are they??
https://oitapps.auburn.edu/campusmap/
question: In that top left area where some frats are. I see 2 buildings for Sigma Nu and for Pi Kappa Alpha. What is that? Just another little annex or something? (Bottom left has the same kind of setup for Alpha Gamma Rho, Pi kappa Phi, and Beta)