Ask various instructors in the Russian Section where they live now and where they used to live in the Former Soviet Union. Remember that you'll be addressing them as «вы». Come back and tell your classmates what you found out. Use the models given here:
Скажи́те, пожа́луйста, где вы сейча́с живёте?
А где вы ра́ньше жи́ли?