Gundemar was a Visigothic king who ruled in the early 7th century, specifically from 610 to 612 AD. He is known for his brief reign during a time of political instability in the Visigothic Kingdom, which was located in what is now Spain. His rule followed that of King Sisebut, and he faced challenges from both internal factions and external threats. During his reign, Gundemar continued the policies of his predecessor, focusing on the consolidation of power and the promotion of Christianity. His reign ended when he was overthrown and killed, leading to the ascension of Suintila, who would further shape the future of the Visigothic Kingdom.