Penningby Castle
Medieval-period private castle located in Uppland, Sweden
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Penningby Castle (Swedish: Penningby slott) is a medieval-period private castle located the Länna parish of Norrtälje Municipality in Uppland, 70 kilometres north of Stockholm, Sweden. Penningby situated in the valley near Edsviken, a narrow inlet in the Saltsjön bay of the Baltic Sea.