Websitepleiades.stoa.orgPleiades 432981 Portus JuliusISAW · 2022Open on pleiades.stoa.org 0Why it matters: CoordsPlacesThe place this coversPortus Julius – Agrippa's Volcanic Naval Harbour at Lake Avernus🇮🇹 Italy · Campania, Phlegraean Fields, Lake Avernus – Lucrinus causeway · Submerged site