The Houston County Historical Commission collects and preserves materials of historical significance to Houston County, Texas. The commission has offices in the Houston County Courthouse Annex in Crockett, Texas. Houston County, the first county established by the Republic of Texas, is located in the East Texas timberlands region. It is bordered on the north by Anderson County, on the east by Cherokee, Angelina, and Trinity counties, on the south by Walker and Madison counties, and on the west by Leon County. Crockett is the county seat and largest town. The county was named for President Sam Houston, who signed the order establishing it on June 12, 1837.