Castlevania: Double Pack is a compilation package for the Game Boy Advance handheld system which contains two previous Castlevania titles: Castlevania: Harmony of Dissonance and Castlevania: Aria of Sorrow. It was released on January 10, 2006 in North America, and later that year in Europe.
This release is part of Konami's "Double Pack" series for the GBA system, along with compilations of other franchises, such as Teenage Mutant Ninja Turtles and Yu-Gi-Oh!.