Where is AOII's International Headquarters located?

The correct answer identifies that Alpha Omicron Pi's International Headquarters is situated in Brentwood, Tennessee. This location serves as the central administrative hub for the organization, facilitating operations, member services, and various programs that support the fraternity's mission and values.

Brentwood's proximity to Nashville enhances its accessibility, given that Nashville is a significant city well-connected by transport and resources, which proves beneficial for members and activities related to the fraternity. The headquarters not only provides necessary administrative support but also embodies the heritage and traditions of AOII, making it a pivotal part of the members’ experiences.

In highlighting this specific location, it is essential to recognize how it represents an important landmark for AOII, which would not be applicable to the other cities listed in the choices.