Traditional Meanings:

European (Judeo-Christian)

• Need of holidays if vacancy – The vacancy in the dream stands as a sign that the dreamer needs to have some holidays, because he deserved this.

Hindu (Hinduism)

• Need of relax if have vacancy – In the dream you have vacancy at last you should rest, because you worked so much and your conscious says the you must relax;
• Happy days if be on vacation – You are on vacation in the dream, then this means that you will experience cheerful days, you deserve this.

Arabian (Islamic)

• Need to rest if have vacancy – The dream of vacancy is a sign that you are tired and need of rest.

* Please, see meaning of vacuum.