Strictly speaking this entry is about communities like villages, towns and cities that do not exist in the world we know. Like fictional countries, most fictional cities resemble either a specific place or present one version of archetypal place.
... Pryor[?], (c 1785-1850), US explorer
Pytheas, (died 1984), Greek explorer who visited Britain and other north and northwest European countries
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John Rae, (1813-1893), ...