Trollhättan
The Göta älv river an Trollhättan Water Touer in central Trollhättan
Trollhättan
Coordinates: 58°17′N 12°17′E / 58.283°N 12.283°E / 58.283; 12.283
Kintra	Swaden
Province	Västergötland
Coonty	Västra Götaland Coonty
Municipality	Trollhättan Municipality
Area [1]
• Total	23.78 km2 (9.18 sq mi)
Population  (31 December 2010)[1]
• Total	46,457
• Density	1954/km2 (5,060/sq mi)
Time zone	UTC+1 (CET)
• Summer (DST)	UTC+2 (CEST)

Trollhättan (Swadish pronunciation: [trɔlhɛtan]) is a ceety an the seat o Trollhättan Municipality, Västra Götaland Coonty, Swaden wi 44,498 inhabitants in 2005. It is locatit 75 km north o Sweden's seicont-lairgest ceety, Gothenburg.

Trollhättan wis foondit bi the river Göta älv, at the location o Trollhättan Falls. The steid wis first mentioned in literatur frae 1413. For centuries, Trollhättan wis an obstacle for the boats travellin the river, up till a lock seestem wis completit in the 19t century. It haes syne been updatit several times an the present locks wur finished in 1916.

In the late 19t century, hydropower wis developit in Trollhättan. The Swadish energy corporation Vattenfall ("watterfaw") teuk its name fraw the faws in Trollhättan. The day the ceety haes twa operational hydropower stations, Olidan an Håjum. The hydropouer haes helpit the ceety in its industrial revolution.

Trollhättan wis grantit ceety richts (which the day hae nae legal effect, but is purely historical) in 1916 at which time it haed aboot 15,000 inhabitants, nou grown tae 54,000.

The name Trollhättan is translatit as "Troll's bonnet". The latter pairt "hätta" coud mean muntain top an aw.

Ither umwhile names o the steid are Eiðar an Stora Edet; the latter lives on in the name o the sooth-borderin municipality o Lilla Edet.

Wikimedia Commons haes media relatit tae Trollhättan.

Trollhättan is ane o 133 places wi the historical ceety status in Swaden.