Civil Engineering Building, IST Congress Center,  Room # 02.1 - Floor -2 (see map Blg #2)

Lunch: 

There are several cafeterias inside IST campus (Blg # 1, 2, 3, 4, 5, 7, 13, 18, 19). Also there are several restaurants around IST area. Typical prices for lunch vary from 4 to 7 euro.