Best kosher cafe near Columbia, with amazing service. Cafe Nana is located in the Columbia Hillel building right off of 115th on 606 W.115th Street, Second Floor in New York. To get to the cafe, you take the stairs on your immediate left to the second floor. The cafe is usually quiet enough to study in or do work in.Ask for a freshly-made omelette with olives, flatbread, and israeli salad. You won't be disappointed! Under the Supervision of Rabbi Mehlman.