A castle is a large fortified residence built mainly for defense and power. The main purpose of a castle is for protection and authority. A castle has key characteristics like:
- It has thick stone walls and defensive features (towers, battlements, narrow openings).
- It is the residence of the nobles, the lords, or military leaders.
- Its typical location is in strategic hill or village border.
- It controls surrounding territory.
 

Up to know there are three castles in the community of Sennecey‑le‑Grand.