Transylvania

Transylvania is a region of Romania. [http://scoobydoo.wikia.com/wiki/Mystery_Inc. The gang] has been there on more than one occasion, always encountering vampires and other monsters (some real, some fake).

Early history
Franken Castle was the first castle to be transported brick by brick to America.

Laff-a-Lympics
A scavenger hunt for monster-related items and a log-rolling race down a haunted river were part of the Laff-A-Lympics.

Scrappy & Yabba-Doo (shorts)
Deputy Dusty accidentally dug up Count Zarko's coffin when he was trying to build a fence near the Tumbleweed County sheriff's office. Zarko quickly mesmerized the whole town so they just stood and stared blankly (he called it "turning them into zombies"). Deputy Dusty, Yabba-Doo, and Scrappy-Doo managed to capture him and mail him back to Transylvania.

The New Scooby and Scrappy Doo Show
The Scooby-Doo Detective Agency babysat a [http://scoobydoo.wikia.com/wiki/Dracula_Jr. young monster] there.

Scooby-Doo and the Reluctant Werewolf
Shaggy Rogers, Scooby-Doo, Scrappy-Doo, and Googie were taken there for a car race after Shaggy was transformed into a werewolf.

Season two
[http://scoobydoo.wikia.com/wiki/Mystery_Inc. Mystery Inc.] helped the Hex Girls with a music video at Fortescu Castle there, when they were menaced by a vampire.

Scooby-Doo! Frankencreepy
Scooby and Shaggy were frightened when Cuthbert Crawley told Velma Dinkley she had inherited her great-great uncle'scastle in Transylvania, but he meant the like community living in a village of Pennsylvania.

Appearances

 * Laff-A-Lympics
 * 203. South America and Transylvania
 * The New Scooby and Scrappy Doo Show
 * Who's Minding the Monster?
 * Scooby-Doo and the Reluctant Werewolf
 * What's New, Scooby-Doo?
 * 205. The Vampire Strikes Back

Scooby-Doo (DC Comics)
The gang stayed one night at what seemed to be a real vampire's house.

Notes/trivia

 * Whatever the realities of contemporary Romania, Transylvania in Scooby-Doo's world is a place of monsters.