Simplify the following text for a Grade 4 native English-speaking person.
Original: Unione Sportiva Lecce or simply U.S. Lecce is an Italian football club based in Lecce , Apulia who play in the Italian Serie A after being crowned Serie B champions in 2009 â `` 10 .
Simplified: U.S. Lecce is a football club which plays in Italy .