Dazhou city. Xuanhan County is a county under the jurisdiction of Dazhou City, Sichuan Province, China. Xuanhan County is located in the easternmost part of Sichuan, at the junction of Chongqing, Sichuan, Shaanxi and Hubei provinces. It is a satellite city of Dazhou, between east longitude 107 22'- 108 32' and north latitude 3 1 06'-3 1 49'. As of August 2023, Xuanhan County. By the end of 2022, the permanent population was 950,000.