Stjørdalen

Stjørdalen is a valley and a traditional district in Trøndelag county, Norway. The valley follows the Stjørdalselva river from the Norway-Sweden border to the west where it empties into the Trondheimsfjorden. The valley traverses Stjørdal Municipality and Meråker Municipality. The European route E14 highway and the Meråker Line railway follow the river through the length of the valley.

The traditional district of Stjørdalen is a historical region surrounding the Stjørdalen valley. The area is sometimes considered the southern part of the Inntrøndelag region. The neighboring Selbu Municipality and Tydal Municipality to the south are sometimes grouped together in this historic district. From the Iron Age through the Middle Ages, the area was referred to as , one of the small petty kingdoms in the Trøndelag region under the Frostating assembly.