According to the search results, the Jujutsu Kaisen manga has 24 volumes as of October 4, 2023. The first episode of Jujutsu Kaisen season 2 begins with chapter 65, and the Gojo’s Past/Hidden Inventory/Premature Death arc covers chapters 65 to 79. Therefore, the manga is currently beyond chapter 79. If you are looking to continue reading the manga from where the anime left off, you should start with chapter 64.