Determining the
oldest university in the world requires more than comparing dates.
Some institutions trace their origins to early centres of learning, while others are associated with the development of the medieval university model. Their legal status, teaching traditions and organizational structures changed over time.

When comparing institutions, researchers should distinguish between a founding tradition, continuous operation and formal recognition as a university.
The Campus Review's overview of university origins and history offers a useful starting point for exploring this topic.
Read more:
https://thecampusreview.com/history-and-culture/oldest-university-in-the-world/