Dracula's Castle?

It has been suggested by various people, over the past 117 years, that one of these castles may have been Bram Stoker's inspiration for Dracula's castle:

The Citadel of Alba Iulia in Transylvania

Devin Castle in Slovakia

Dunnottar Castle in Aberdeenshire, Scotland

Ruined fortress in Rimetea, Transylvania

Slain's Castle in Aberdeen, Scotland

Castle Bran at Torzburg, Romania

Poenari Fortress in Transylvania, home of Vlad Tepes