Simplify the following text for a Grade 6 native English-speaking person.
Original: It is the country 's primary football competition and serves as the top division of the French football league system . Ligue 1 is one of two divisions making up the Ligue de Football Professionnel , the other being Ligue 2 .
Simplified: Ligue 1 is a football league which is top division in France and Monaco .