Place and river names in the story and their modern equivalents. Names in italics are invented or modified for the story.
| Aliso | Haltern am See, NW |
| Anderitem | Pevensey, East Sussex |
| Aper Vallis | Turkdean; Latin: Boar Valley |
| Arahem | Achim bei Bremen, HB |
| Beccs Heuwl | Bexhill on Sea, East Sussex |
| Brekollen | Hazelton, Glos. |
| Brennahaf | Summer Hills; W: Bryn yr Haf |
| Buchna | Bognor (Regis), West Sussex; Bucgan ora, Bucge’s (an Saxon name) shore |
| Castron | Cold Aston, Glos. From Latin, Castrum (fort), ‘Cold’ might mean abandoned |
| Colonia | Cologne/Köln, NW |
| Corinium | Cirencester, Glos. Corinium Dobunnorum–of the Dobunni |
| Cunetio | Nr. Mildenhall, Wilts |
| Elbe | River, Germany |
| Elbgau | Region, Northern Lower Saxony |
| Engaland | Britain, from Old Saxon Enga Land (narrow land) |
| Engasee | English Channel; Old Saxon Narrow Sea |
| Gravenenga | Gravelines, France; Old Saxon Narrow Ditch |
| Hjerp’s Stead | Hjerpsted, Denmark |
| Kodamurin | Squire’s Copse, near Turkdean; W: Coed yr Meuryn |
| Kommturk | Turkdean (Brythonic: Boar Valley); W: cwm (coomb) + twrch (boar, river spirit and name) |
| Langleb | Notgrove, Glos. Old Saxon Nat (wet) Grove through Brythonic Lan (grove) Gleb (wet) |
| Lanudeth | Judith Grove (S. of Turkdean); Young Water Grove: Lan (grove) -udeth from C: Yow (young) + W: dwdd (water) |
| Londinium | London |
| Ludgarshafen | Cuxhaven, NI; coined from nearby Lüdingworth, where –worth comes from warft, an artificial mound raised as protection from flooding |
| Mimigernaford | Münster, NW |
| Nantkollen | Hazelton, Glos. Site of long barrows referred to as ‘Turkdean’ in Raiders of the Lost Ark (see below) |
| Noviomagus Reginorum | Chichester, West Sussex |
| Rein | Rhine River (Old Saxon from Old Celtic Rēnos) |
| Tamesis | Thames River (Brythonic) |
| Treva | Hamburg (Old Celtic name) |
| Venta Belgarum | Winchester |
| Wenrisk | Windrush (Brythonic: White Fens); Welsh: gwyn + OC: reisko |
| Weser | River, NI |
| Westerland | Britain; The coastal Germanic peoples would have had a long folk-memory that probably contained tales of the time before Doggerland was submersed. Based on this, they refer to Britain as ‘Westerland’, just meaning the lands to the west (but also a nod to the town on the Isle of Sylt) |
NI: Niedersachsen (Lower Saxony)
NW: Nordrhein-Westfalen (North Rhine Westphalia)
HB: Free Hanseatic City of Bremen (Freie Hansestadt Bremen)