River Kamienna (1281 Zachum, Zachun, Zackus, Zacus, Zacke, Zack, Gross Zacken, Caka, 1945 Ciekoń, Wiła, Zakręta, 1946 Żakowa), Cieplice (pre-1945 Warmbrunn)...

"Poles at times accounted for over a half of the spa's clients, so until the 20th century the left, western, side of the Kamienna was referred to as 'die Polnische seite' [Polish side]"...