Or are you feeling so vulnerable that you are putting up emotional defenses to protect yourself? The symbol of the castle is that of a place where you can defend yourself from attack, so it may represent the methods you use to protect yourself from ‘attack’. On the other hand, your dream may highlight your self- imposed isolation from others, and the sense of security you get from being self- reliant.
If your stronghold came under siege, did you identify the faces of your attackers? Are these people you know in waking life? And did your dream defenses hold firm? If they did, this suggests that you are successfully fending off attempts to wound or get through to your emotions.
If you are a man who dreamed that you are laying siege to a castle, the Freudian interpretation is that it expresses your desire to have sex with a woman who has resisted your advances. The castle is also a place of historical interest, so it may suggest a need to look to the past for inspiration. It can also represent a mandala, a symmetrical pattern that symbolizes the psyche.
If a courtyard or moat appears in the dream, this again refers to protection or the desire to feel safe and secure. The shape of the moat or courtyard will also be relevant. [1]