Arieal view on the Lutsk castle. Prince Lubart stone castle, landmark of Lutsk city, Ukraine. The Lutsk (or Lubart’s) Castle is the main historic monument of the capital of Volyn. It is the only castle in Ukraine seen by nearly every Ukrainian, thanks to the fact that they hold its picture in their hand with every 200 hryvnas bill. The 28 meter-high Entrance Tower of Lutsk Castle was where the idea of a united Europe was voiced for the first time. And it happened in 1429