Arnarfjörður

400px|thumbnail|Panoramic view of 250px|thumbnail|Overview of all Westfjords '''''' () is a large fjord in the Westfjords region of Iceland. "" is the genitive case of "" (), the name of the first settler of the fjord.

==Description== The fjord is long and wide, and is oriented NW/SE. It branches into two main bays, each containing a few coves. They are Borgarfjörður to the east and Suðurfirðir to the south. The largest settlement on the fjord is the small village of Bíldudalur. Lowland strips along the bay are very limited, with mountain slopes falling steeply into the sea in most places. The Westfjords' highest mountain, Kaldbakur, is also located between and the neighboring Dýrafjörður, a parallel fjord to the north-east.