The
Icelandic
Althing is the oldest
parliament in Europe. The original Althing was gathered at
Thingvellir. The center of the gathering was the 'Lögberg', or 'Law Rock', a rocky outcrop on which the Lawspeaker (lögsögumaður) took his seat as the presiding official of the assembly.

The site of the Law Rock in modern Þingvellir.