Simplify the following text for a Grade 11 native English-speaking person.
Original: Sremska Mitrovica municipality includes the city of Sremska Mitrovica , the town of MaÄ vanska Mitrovica , and several villages .
Simplified: : Mitrovica can also refer to Kosovska Mitrovica , a city in Kosovo Sremska Mitrovica is a city in the Vojvodina province of Serbia .