Tulliallan Castle is a substantial fortified house built between 1812 and 1820 near Kincardine in Fife, Scotland, combining Gothic and Italian architectural styles amid approximately ninety acres of parkland overlooking the Firth of Forth. The modern castle occupies a site with deep historical roots, where an earlier medieval structure called Old Tulliallan Castle stood from at least 1304, when it was ordered strengthened by Edward I of England. Since 1954, the castle has served as home to the Scottish Police College and briefly as the headquarters of Police Scotland, making it an important institution in modern Scottish law enforcement. The dramatic setting and unusual architectural blend reflect the evolving character of this long-inhabited estate.