Uroš I was a medieval king of Serbia, reigning from 1243 to 1276. He was the son of Stefan the First-Crowned, the first king of Serbia, and played a significant role in consolidating the Serbian state during his rule. Uroš I is known for his efforts to strengthen the monarchy and improve the administration of the kingdom. Under Uroš I, Serbia experienced relative stability and growth. He focused on fostering relationships with neighboring states and the Byzantine Empire, which helped enhance trade and cultural exchanges. His reign is often seen as a period of development for the Serbian Orthodox Church and the establishment of a more organized state.