Because van Helsing and his gang were chasing him
If we're talking about the original Bram Stoker's Dracula, the locations go from England to Dracula's castle, located in a remote spot in the Carpathian Mountains, which borders Transylvania (Romania), Bukovina and Moldovia in eastern Europe.
Generally there are no specific vaccinations needed to go to any countries in eastern Europe.
Bulgaria is a part of Eastern Europe. However, if Europe was split into its 5 regions, then Bulgaria is a part of Southern Europe (you could go even further from there and say Southeastern Europe).
Once I have friends in Prague and Budapest, I would go to Eastern Europe next.
Because he fell in love with a man called Mr bean
No you can't. London is the capital of England which is an island off of Europe, where Venice is.
England was they're best ally in Europe. why go to war if there's nothing to defend
You mean Cyril and Methodius, the two byzantine missionaries? if so the two brothers brought the eastern orthodoxy religion to much of eastern Europe which summarily spread to places they themselves didn't go. I can't tell you specific countries but the Cyrillic alphabet, eastern orthodoxy, and much of their knowledge spread rapidly through eastern Europe among Slavic peoples
I suppose the bluntest way of putting it is that Dracula is looking for new, young, fresh blood, because he has been predating on his own surroundings for centuries. As the Count says to Jonathan Harker:"I long to go through the crowded streets of your mighty London, to be in the midst of the whirl and rush of humanity, to share its life, its change, its death, and all that makes it what it is........."
The coast of Ireland and Cherboug, in France. And clearly, Southampton in England, where she began her maiden voyage.
So that during wars they could go fight for and protect Eastern Europe.
Germany went against the Soviet Union (now Russia) and most of eastern Europe.