In the Royal Frankish Annals (RFA), there is, in fact, an omission where the whereabouts of the meeting should be. So with no specific location in evidence, why is the treaty known by this particular name? 2/5 (Image - top: ÖNB Cod 510, 102v - bottom: MGH SRG 6, 134)

The answer may be fairly simple. It seems that the place-name was only first noted in the 1970s, featuring in the well-known translation of the RFA by Bernhard Walter Scholz and Barbara Rogers, which, in turn, was based on Kurze's edition from 1895. 3/5