Brenham is a city in east-central Texas, United States, and the county seat of Washington County, with a population of 17,369 according to the 2020 U.S. census. Brenham is also known for its annual German heritage festival that takes place each May called Maifest, similar to Volksfest. Numerous German immigrants settled here in the mid-19th century, following the revolutions in German states in 1848.