Vologases (Parthian: Walagash, Middle Persian: Wardākhsh/Walākshsh, , Balāsh), also known as Vologaeses, Vologaesus, Vologeses, Ologases, and Valarsh (Armenian), was the name of various ancient monarchs: Kings of Parthia Vologases I c. 51–78 Vologases II c. 77–80 Vologases III c. 105–147 Vologases IV c. 147–191 Vologases V c. 191–208 Vologases VI c. 208–228 Kings of Armenia Vologases I ruled 117/8–144 Vologases II ruled 186–198 Vologases III ruled 378-386 co-king with his brother Arsaces III Others Vologases (chief) - chief of the Thracian Bessi, who led a revolt against the Romans in 13 BC A later Balash which belonged to the Sassanid dynasty Vologases, King of Elymais, (c. 180- c. 190 AD) Vologash, King of Hatra