Stefan Dečanski was a Serbian king who ruled from 1321 to 1331. He is best known for his efforts to strengthen the Serbian state and for his contributions to the Orthodox Church. His reign marked a period of cultural and political development in Medieval Serbia. Stefan Dečanski is also recognized for commissioning the Visoki Dečani Monastery, a UNESCO World Heritage site, which showcases remarkable medieval architecture and frescoes. He was canonized as a saint by the Serbian Orthodox Church, reflecting his lasting impact on Serbian history and culture.