Potosi Correctional Center (PCC) is a Missouri Department of Corrections prison located in unincorporated Washington County, Missouri, near Mineral Point. The facility currently houses 800 death row, maximum security and high-risk male inmates.

Washington County is located in the southeastern part of the U.S. state of Missouri. As of the 2020 United States census, the population was 23,514. The county seat and largest city is Potosi. The county was officially organized on August 21, 1813, and was named in honor of George Washington, the first President of the United States.