Þingvellir (Icelandic:  [ˈθiŋkˌvɛtlɪr̥] , Thing Fields) is a place in the administrative district of Bláskógabyggð in southwestern Iceland, near the Reykjanes peninsula and the Hengill volcanic area. Þingvellir is a site of historical, cultural, and geological importance and is one of the most popular tourist destinations in Iceland. It lies in a rift valley that marks the crest of the Mid-Atlantic Ridge.