Caesia Silva
Caesia Silva one of the great forests of Germany, between Vetera and the country of the Marsi, that is, the heights extending between the rivers Lippe and Yssel as far as Coesfeld. (Tacit. Annal. 1.50.)
From William Smith (ed.), Dictionary of Greek and Roman Geography. Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities and Tufts University. Data accessed from https://github.com/PerseusDL/canonical-pdlrefwk/ on 17 October 2026.