Castra Alata
Roman Britain, United Kingdom
Pinnata Castra (Ancient, Pteroton Stratopedon) was a settlement located in the north of the island of Great Britain, featuring in Ptolemy's 2nd century Geography as one of the four places listed as belonging to the Vacomagi tribe. It is also included as Pinnatis in the Ravenna Cosmography.
Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).