Warsaw was the capital city of Poland. (PROSE: Timewyrm: Exodus) It was located along a river. (TV: The End of Time)
History
Warsaw was one of the first cities attacked and conquered by Adolf Hitler during World War II, although he claimed that Warsaw was the one who had threatened Germany. (PROSE: Timewyrm: Exodus)
Colonel Katayev mentioned his doing five years of front line duty in a number of Warsaw Pact countries; however he did not mention what this pact was. (PROSE: The Devil Goblins from Neptune)
A map showing the location of Warsaw appeared on a screen a UNIT HQ in Geneva. (TV: The End of Time)
Individuals
Joseph Moskowicz (PROSE: Island of Death) and Antoni Patek (PROSE: Matrix) were from Warsaw.