Tiundaland
Tiundaland is a historic region, "Folkland", and since 1296 part of the modern province of Uppland. It originally meant the "land of the ten hundreds" and referred to its duty of providing 1000 men and 40 ships for the Swedish king's leidang. A list from 1314 defines Tiundaland as Bälinge Hundred, Gästrikland, Håbo Hundred, Hagunda Hundred, Norunda Hundred, Närding Hundred, Oland Hundred, Rasbo Hundred, Ulleråker Hundred and Vaksala Hundred. During the Viking Age it probably extended from the coast of the Baltic Sea by Norrtälje to the bay which today is the lake Mälaren. A very strategic position . According to Snorri Sturluson in the "Heimskringla" it was the location of Uppsala and the Thing of all Swedes, where every year there were great blóts which were attended by many kings. He relates that Tiundaland was the richest and most fertile region of Sweden where was the seat of the Swedish kings at Uppsala, the Swedish Archbishopric and from which Uppsala öd had taken its name. All the Swedish lawspeakers were subordinate to the one of Tiundaland.