Cherven Cities

Cherven Gords in 1025 AD, under the rule of Bolesław I the Brave of Poland, superimposed over contemporary boundaries

The Czerwień Cities or Cherven Gords (Polish: Grody Czerwieńskie, Ukrainian: Червенські Городи), often literally translated as Red Cities, Red Forts or Red Boroughs, was a point of dispute between the Kingdom of Poland and Kievan Rus' at the turn of the 10th and 11th centuries, with both sides claiming their rights to the land.