The finale of Peter Jackson's The Hobbit trilogy, The Battle of the Five Armies, wraps up Bilbo Baggins' epic journey across Middle-earth and sets the stage for The Lord of the Rings. But who exactly are the five armies? Between author J.R.R. Tolkien's novel and Jackson's films, the answer isn't simple.
Source：https://www.cbr.com/the-hobbit-five-armies-explained/
