The castle is located in the town of Satan, Lithuanian nobles Ondrovonzhi built to protect the city from Turkish-Tatar raids. Castle pentagonal plan, not entirely correct form. Until modern times survived only three towers. And offer unique views of the valley and Zbruch Podolski Tovtry ...

    The castle is situated in the northern part of the village Satan on the bank of the river Zbruch. Built in the XV century. on the site of earlier fortifications XIV. At the end of the XVI century. was expanded, the plan he pentagonal not quite correct form: three sides of length more or less to 105 meters. fourth side 85 meters and 65 meters in five southern entire area of ​​the castle is approximately 1.5 Hekta. In all corners of the pentagon was the tower and between towers usually have the walls.

Walls connecting the towers were twofold: in addition to the external are internal, which were parallel to the outside; Inside the walls were on the shaft and therefore were higher than outside. Gear, which contained internal, separated from the outer moat. Rowe was also on the outside of the walls. The internal walls are not preserved; only here and there on the ramparts, traces them. The part that goes over Zbruch walls were ordinary, not double, because it steep mountain and catch on the side protects nature. In some places the height of the walls reach up to 10.5 meters.

Tower standing outside on the corners of the castle were chotyryboki and far beyond line the walls, and only one of its horns were in the corner of the castle, the width side towers at 8.5 meters. Storey towers; nether over much wider than the other two floors. In the lower floor where and there are loopholes in the middle floor with 4 embrasures on each outer side, and on the third floor and 2 small windows on each side.

In the south-east corner of the castle on the line the interior walls preserved round tower that was built long before the well-known documentary mention of the settlement. This tower - a unique monument of architecture - a rare example of brick building of ancient times, Ukraine. Interesting its loopholes: looks very narrow, and expanding on the inside - the better to shoot with a bow.

In 1711r. Peter King, returning from Prut Campaign, was Satan and was visiting Satanovsky castle to his owner, great crown hetman Adam Senyavskoho. Preserved mention that the king lived in a house that was circle the castle. In the other house on the rock was dug Russian coat of arms in memory of there being a king.