Paris (often referred as The City of Lights) is the capital city of France, widely considered as one of the most famous capitals of the known world. It is known for it's famous attractions and landmarks, including museums, and architectures). The most common examples are the Eiffel Tower, the Notre-Dame Cathedral, and the Arc de Trophie. It's popularity and history has became the reason to be featured in various novel books, and film adaptations, including Victor Hugo's novel, The Hunchback of Notre Dame, and by extension the resulted Disney film adaptation, and the Pixar's animated film, Ratatouille.
Regarding the villains tournaments, Paris appears as one of the primary locations, with the HoND's archive footage of the city being used, usually involving Frollo's tenure in the wars.