The mists of Ravenloft typically make a copy of the land that they
import into their domains. Vorostokov, in the Birthright setting,
should therefore be unchanged by this.

>I have recently bought the Ravenloft campaign setting, not only to use
>as shadow world for BR, but as it is too. I saw that in the new book
>they have included Vorostokov which was formely a part of Cerilia, now
>I wonder how do you handle this, is there a empty space in the location
>where Vorostokov once was or is it there but you will be in the shadow
>world when you leave Vorostokov?