Arsenije I Sremac was a prominent Serbian archbishop who served from 1233 to 1263. As a devoted disciple of Saint Sava, he played a crucial role in maintaining the continuity of the Serbian church during a period of instability. He is remembered for relocating the episcopal see to Peć to ensure its safety from Hungarian invasions. Throughout his leadership, he supported the royal family in their religious endeavors and helped preserve the spiritual legacy of his predecessor.