Bishop of Amida, Mesopotamia
Acacius or Aqaq was bishop of Amida, Mesopotamia from 400 to 425, during the reign of the Eastern Roman Emperor Theodosius II. He has no extant writings, but his life is documented by Socrates Scholasticus, in the 21st chapter of the 7th book of his Church History. There, he is described as freeing thousands of slaves.