Talmudic academies in Babylonia
The Talmudic academies in Babylonia, also known as the Geonic academies, were the center for Jewish scholarship and the development of Halakha during the Geonic era (from c. 589 to 1038 CE; Hebrew dates: 4349 AM to 4798 AM) in what is called "Babylonia" in Jewish sources.
Source: Wikipedia — Talmudic academies in Babylonia (CC BY-SA 4.0)