Wikipedia
The Dysna ( Dzisna; Disna) is a river that flows through Lithuania and Belarus into the Daugava River near the town of Dzisna.
The river originates from Lake Parsvėtas, near Dūkštas, Ignalina district municipality. It flows through Lake Dysnai and Lake Dysnykštis. Near Kačergiškės it turns east and for 39 km flows on the Lithuanian- Belarusian border. The length in Lithuania is 17 km. One of the lakes in the basin area is the Lake Drūkšiai that supports Ignalina Nuclear Power Plant.
Its largest tributaries are Birvėta, Golbica, Janka, Berezovka, Mnuta.
Dysna is a village in the eastern part of Ignalina district in Lithuania. According to the 2011 census, it had 62 residents. It is located east of Tverečius, near the border with Belarus. The village is situated on the right bank of the river Dysna, which gives the village its name. The village has a chapel, section of Didžiasalis school, and public library.
The nearby clay deposit is one of three largest in Lithuania and was used commercially in 1974–95.
The Lithuanian national and political activist and parliament member Augustinas Voldemaras was born and lived in the village.