Jēkabpils in the context of "Selonia"

Selonia (Latvian: Sēlija; Lithuanian: Sėla), also known as Augšzeme (the "Highland"), is one of the Historical Latvian Lands encompassing the eastern part of the historical region of Semigallia (Latvian: Zemgale) as well as a portion of northeastern Lithuania. Its main city and cultural center is Jēkabpils. The Selonian language has become extinct, though some of the inhabitants still speak a Selonian subdialect.