Þingvellir was the site of the Alþing, the annual parliament of Iceland from the year 930 until the last session held at Þingvellir in 1798. Since 1881, the parliament has been located within Alþingishúsið in Reykjavík. Þingvellir is now a national park in the municipality of Bláskógabyggð in southwestern Iceland, about 40 km northeast of Iceland's capital, Reykjavík.