The University of Chicago Booth School of Business

Chicago has 77 neighborhoods, as defined by sociologists at the University of Chicago in the 1920s
Courtesy Ryan Mang

Nationalities that live in Chicago include: Irish, German, Italian, Mexican, Arab, Bulgarian, Greek, Chinese, Indian, Filipino, Lithuanian, Polish, Romanian, Serbian, Swedish, Ukrainian, Dutch, and Puerto Rican

Chicago has the largest Polish population after Warsaw
Courtesy Eric Pancer