Segustero
Segustero a name which occurs in the Antonine Itin. and in the Table, is a town of Gallia Narbonensis, and the name is preserved in Sisteron, the chief town of an arrondissement in the department of Basses Alpes, on the right bank of the Durance. Roman remains have been found at Sisteron. The name in the Notit. Prov. Galliae is Civitas Segesteriorum. It was afterwards called Segesterium, and Sistericum, whence the modern name comes. (D'Anville, Notice, &c.)
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.