Frankfurt

Frankfurt is a city in Germany.

Day 1
When Teri Bauer noticed Nina Myers speaking on the phone in German, Nina told Teri that she was speaking to someone from the Frankfurt Division of CTU. This was one of several pieces of evidence that would compromise Nina Myers' escape plan, and would eventually lead to her murder of Teri Bauer.

Day 5
Diplomatic Flight 520's flight itinerary was scheduled to go from Van Nuys Airfield to Frankfurt.