Three.

According to the search on Baidu Map, there are three gourmet hotpot restaurants on the fifth floor of Aegean Sea in Jining High-tech Zone, including shrimp shabu-shabu, Yunnan steam stone pot chicken, and Chaozheng Wagyu beef hotpot.

Therefore, there are three hot pot restaurants on the fifth floor of Aegean Sea Food in Jining High-tech Zone.

Aegean Sea in Jining High-tech Zone is located at the intersection of Liaohe Road and Chongwen Avenue in Jining High-tech Zone, Shandong Province. Its business hours are from 10 am to 10 pm.