Sremska Mitrovica is a city located in northern Serbia, known for its rich history and cultural heritage. It lies on the banks of the Sava River and serves as the administrative center of the Srem District. The city has a population of around 25,000 residents and features a mix of historical architecture and modern amenities. The area has been inhabited since ancient times, with significant Roman ruins, including the remnants of the Roman city of Sirmium. Sremska Mitrovica is also recognized for its vibrant local community and various cultural events, making it an important center in the region.