Dominion is a novel written by Fred Saberhagen. It was first published in 1982 and is the fifth book in the Saberhagen Dracula book series.
The powers of Evil are alive and well in modern-day America. Vlad Tepes, Prince of old Wallachia in life and Master of the Undead beyond the grave, has roamed modern America without fear--until now. Suddenly, he is no longer the only immortal being in Chicago.