Nea, Ganka, or Nean is an 80-kilometre long river which has runs through the municipalities of Tydal and Selbu in Trøndelag county, Norway and Åre Municipality in Jämtland county, Sweden. The river Nea is a part of the Nea-Nidelvvassdraget watershed. Some of the main villages along the river include: Østby, Ås, Aunet, and Gressli in Tydal and Flora, Hyttb…Nea, Ganka, or Nean is an 80-kilometre long river which has runs through the municipalities of Tydal and Selbu in Trøndelag county, Norway and Åre Municipality in Jämtland county, Sweden. The river Nea is a part of the Nea-Nidelvvassdraget watershed. Some of the main villages along the river include: Østby, Ås, Aunet, and Gressli in Tydal and Flora, Hyttbakken, Selbu, and Mebonden in Selbu.