Kingdom of Khotan
In the 7th century CE, Yijing grouped the Mahīśāsaka, Dharmaguptaka, and Kāśyapīya together as sub-sects of the Sarvāstivāda, and stated that these three were not prevalent in the "five parts of India," but were located in the some parts of Oḍḍiyāna, the Kingdom of Khotan, and Kucha.