With the release of the Half-Blood Prince DVD in the US and UK nearing, Warner Bros has launched the Road to Hogwarts competition, where fans in the US over the age of 13 can win the chance to see the grand opening of the Wizarding World of Harry Potter in Spring 2010.

Fans interested in participating can register here, where they can choose to have one submission or several for the competition. If participants opt for more than one go, they will be taken to the Hogwarts Map to find secrets on the Marauder's Map, which will help earn points.

New activities on the map will be updated each week, so keep checking back for a better chance to win the grand prize. There will be weekly prizes for fans, including the Harry Potter DVDs and numerous memorabilia. More information can be found here.

The grand prize winner will be chosen on December 22, 2009. Good luck to everyone!