Sēlija (Latin Selonia ), also Augšzeme (German Upper Latvia ) is a historical area in southern Latvia between the Daugava and the Lithuanian border. It was the settlement area of the Selonen ( Selen ) and later became part of the Duchy of Semgallia .
In Latin sources, the country is called Selonia . In the Livonian rhyming chronicle it is called Selenium .
In 1208 the area was subjected to the Order of the Brothers of the Swords under Albert von Buxhoeveden . 1218-1226 it was the area of a separate diocese. Later it came under the rule of the Livonian Order . It became part of the Duchy of Zemgale .
In the 19th century the area had a large percentage of the Jewish population.
Selenium was not officially recognized in the Latvian Soviet Socialist Republic . Since the restoration of Latvia's independence , the descendants of the tribe have intensified their efforts to maintain their ethnic identity. You will research and cultivate the local language, culture and lore.
- August Bielenstein : The Limits of the Latvian Tribe and the Latvian Language in the Present and in the 13th Century. Verlag v. Hirschheydt, Hanover-Döhren 1973; Reprint of the St. Petersburg edition: Eggers, 1892 ISBN 3-7777-0983-2
- Rainer Eckert, Elvira-Julia Bukevičiūtė, Friedhelm Hinze : The Baltic languages. An introduction. Langenscheidt Verlag, Enzyklopädie Verlag, Leipzig, Berlin, Munich 1994. ISBN 3-324-00605-8