Which township is the largest in Lichuan?

Baiyangba and Baiyangba Town are located in the north of Lichuan City, bordering fengjie county and Yunyang County in Chongqing in the north and Enshi City in the east. With a total population of 90,000, the town governs 57 villages, 1 neighborhood committee and 623 villagers' groups, with a total area of 578 square kilometers, making it the largest township in the state.