The invited duos and judge line up can be found below and include defending champions El Diaz and Ma Rock of Psycho Stylez, Scotland.
Dancers wishing to take part in the battles will be decided through an initial preliminary qualifier to make it through to the final rounds.
Video: Castle Rocks trailer (2009) (Vimeo)
Castle Rocks Breakdance Championships 2011 invited duos
Hurricane Ray and Sam (Team Scmetta, Holland/Belgium)
Mouse and Blanka (Floor Gangz Worldwide/Mighty Zulu Kingz, UK/Denmark)
Pocket and Sunni (Breakin Nest/Soul Mavericks, Korea and England)
El Diaz and Ma Roc (Psycho Stylez, Scotland) DEFENDING CHAMPS
Eggy and Presto (Heavy Smokerz, Scotland)
Castle Rocks Breakdance Championships 2011 judges
Castle Rocks will take place on Saturday 13 August 2011 at City Nightclub, Edinburgh, part of The Edinburgh Fringe Festival, from 11:30am.
Tickets can be bought online via the Ed Fringe website.