Unicorn District was both a district of the Provost's Guard and of the Rogue in the third century of the Human Era. It was one of the wealthier districts. The district marked the eastern border of the city of Corus. North of Unicorn District were Flash District, which also bordered it to the west, and the Olorun River, to the west were Patten and Upmarket Districts. South of Unicorn District was the Royal Palace and the Palace District.