Hallstavik is a locality situated in Norrtälje Municipality, Stockholm County, Sweden with 4,476 inhabitants in 2010.

[1] The town is famous for its papermill and the Speedway team Rospiggarna.

Other projects are meeting places for the youth and Skebo Rivers, focused on sportfishing for trout.

A feasibility study was done to investigate taking advantage of waste heat from the paper mill in Hallstavik.

She was one of the few Idol participants world over who was voted out, then came back and got to the final.