meanwhile , to satisfy those who like to see the use of historical names in fiction and so that you can identify what these places are called today , here is a glossary of the main names : bernicia anglo-saxon kingdom in northumbria calcaria tadcaster 'the villa'/'the village ' holme-on-spalding-moor catraeth catterick deira anglo-saxon kingdom north of the humber elmet welsh/british kingdom around the modern day city of leeds eboracum and eoforwic york godnundingham site of deiran royal palace .