I hjärtat av Gästrikland. It is situated about 25 km west o.. United States 2016 - Calendar with American holidays. Sandviken, Årsunda-Österfärnebo församlingar. Sandviken is a locality and the seat of Sandviken Municipality in Gävleborg County, Sweden with 22,965 inhabitants in 2010. Sandvikens pastorat. It is situated about 25 km west o..