The new set of dates includes stops in The Netherlands, Belgium, and England and they will be announcing additional dates some time this week. Last week the group announced three dates in Germany for the trek.

The tour will feature Metallica By Request where the band will be playing one new song but will allow fans with tickets to vote for the songs that they want the band to play for each show.

"We are once again psyched to break free of the four walls in the studio to get energized by our devoted European friends for a couple of weeks next May and June," says drummer Lars Ulrich.

"On top of that, the fact that all our nutty fans will pick the songs we play should be some next level fun and take a big load off my shoulders as the guy who usually writes the set list!"

Metallica By Request 2014 dates include: