an Entity references as follows:
Brown County (county code BR) is a county located in the northeast portion of the U.S. state of Kansas. As of the 2020 census, the county population was 9,508. Its county seat and most populous city is Hiawatha. Brown County is the location of the Kickapoo Indian Reservation of Kansas, the majority of the Sac and Fox Reservation and the majority of the Iowa Reservation of Kansas and Nebraska.