Adrian Charter Township is a charter township of Lenawee County in the U.S. state of Michigan. The township population was 6,401 at the 2020 census. The city of Adrian borders on the south, but the two are administered autonomously.

Lenawee County is a county located in the U.S. state of Michigan. As of the 2020 United States Census, the population was 99,423. The county seat is Adrian. The county was created in 1822, from territory partitioned from Monroe County. Its governing structure was organized in 1826.