Its capital was at al-Mu'miniya near modern Hofuf. By circa 1000, Al-Ahsa became the ninth largest city worldwide supporting 100,000 inhabitants. In 1077, the Qarmatian state of Al-Ahsa was overthrown by the Uyunids.
Its capital was at al-Mu'miniya near modern Hofuf. By approximately 1000, Al-Ahsa became the ninth largest city globally with a population of 100,000 people. In 1077, the Qarmatian state of Al-Ahsa was overthrown by the Uyunids.