Haldreka is a village in Hiiumaa Parish, Hiiu County in northwestern Estonia.

[1] The village was first mentioned in 1693 (Haldrico).

Historically, the village was part of Emmaste Manor (German: Emmast).

[2] From 1977 to 1997, Haldreka was part of the village of Kaderna.

[2] This Hiiu County location article is a stub.