Arendelle is the main setting of the Disney's animated feature film Frozen. The Norwegian home of Anna and Elsa, Arendelle is well-known for its castle, its village, as well as its adjacent mountains that adorn the kingdom.
Regarding the villain tournaments, Arendelle appears in the second Disney Heroes vs. Villains War as one of the locations threatened by Maleficent and the forces of evil. It is also featutred in the third Disney vs. Non-Disney Villains War, although it is displayed and stated as the capital of Hans.