From Wikipedia, the free encyclopedia
Princolando di Jersika (Latine: Gerzika, terra Lettia; Germaniane: Gerzika, Zargrad; Rusiane; Ерсика, Герцике) esis frua mez-epokala princolando en esto di moderna Latvia. La chef-urbo di Jersika jacis en fuorto sur kolino 165 km sud-este di Rīga.
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