Clausentum
Clausentum in Britain, the first station of the seventh Itinerary between Regnum and Londinium, distant from the former 20 miles. Ten miles beyond Clausentum lay Venta Belgarum == Winchester. This places Clausentum in the neighbourhood of Southampton, and it has been identified with that town and also with Bishop's Waltham.
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.