Founded in 1255 on the suggestion of Premsyl Ottokar II, it was joined with Lobenicht and Kneiphof to form a single city in the eighteenth century.  
Founded in 1255 on the suggestion of Premsyl Ottokar II, it was joined with Lobenicht and Kneiphof to form a single city in the eighteenth century.  Renamed in 1946 after it was handed over to the USSR under the terms of the Potsdam agreement, it was the site of Elector Frederick III of Brandenburg's election as King Frederick I of Prussia.  Home to the Soviet Baltic fleet, in the nineteenth century it was known for its University, which was destroyed in World War II. Now the smallest Russian oblast, it is located 200 miles from the rest of Russia and adjacent to Lithuania.  For 10 points, what is this isolated Russian exclave, once known as Konigsberg.
Founded in 1255 on the suggestion of Premsyl Ottokar II, it was joined with Lobenicht and Kneiphof to form a single city in the eighteenth century.  
Kaliningrad or Konigsberg before it is mentioned