The House on Mango Street is located in a poor Latino neighborhood in Chicago. Judging from the book this is a neighborhood full of immigrants that does not know much English and rarely leave the neighborhood.
http://thebestnotes.com/booknotes/House_On_Mango_Street/House_On_Mango_Street_Cisneros02.html
http://www.flickr.com/photos/abdulaziz979/2694229526/
http://ethanolfamine.com/eat.html