Priory Palace is an original palace in the formerly royal town of Gatchina, Leningrad oblast, Northwest Russia, a suburb of Saint Petersburg. It was built in 1799 by the architect N. A. Lvov on the shore of the Black Lake. Constructed for the Russian Grand Priory of the Order of St John, it was presented to the Order by a decree of Paul I of Russia dated August 23, 1799.
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Coordinates 59°33'29.761" N 30°7'16.797" E