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1.
Los Angeles, California. Also L.A. or city of angels. A city that is filled with tragic people looking for money and fame, usually ending up in drugs or gangs. Most diverse city in U.S. especially with Latin-American people.
I went to party at the city of fallen angels.
by martha March 24, 2004
 
2.
The fourth book in The Mortal Instruments series by Cassandra Clare.

The book is about one of the main characters, Clary Fray, training to become a Shadowhunter and finally having Jace Wayland after crossing a lot of obstacles in the previous books. However, things start to go wrong.
Person 1: Have you read the new Mortal Instruments book?
Person 2: You mean City of Fallen Angels? Yeah, it's great!
by FlushedToilet April 24, 2011