Pließnitz
The Pließnitz is a river of Saxony, Germany.
It is a right tributary of the Lusatian Neisse, which it joins near Görlitz.
Lusatian Neisse
The Lusatian Neisse( Upper Sorbian:" Łužiska Nysa"; Lower Sorbian:" Łužyska Nysa"), or Western Neisse, is a long river in Central Europe.
Its drainage basin area is, of which in Poland.
It rises in the Jizera Mountains near Nová Ves nad Nisou, Czech Republic, reaching the tripoint with Poland and Germany at Zittau after, and later forming the Polish- German border for a length of.
The Lusatian Neisse is a left- bank tributary of the river Oder, into which it flows between Neißemünde- Ratzdorf and Kosarzyn north of the towns of Guben and Gubin.
According to the 1945 Potsdam Agreement in the aftermath of World War II, the river became part of the Polish western border with Germany( the Oder- Neisse line).
Being the longest and most notable of the three rivers named" Neisse( Neiße)"( German) or" Nysa"( Polish)( the two other rivers being the Eastern Neisse and Raging Neisse( Polish:" Nysa Szalona"; German:" Wütende Neiße" or" Jauersche Neiße")), it is simply referred to as the" Neisse".
Mandau
The Mandau is a river in Bohemia( Czech Republic) and Saxony( Germany).
It is a left tributary of the Lusatian Neisse, which it joins near Zittau.
It originates from multiple springs north of the 580.6 m( 1902 feet AMSL) Wolf Mountain( Czech:" Vlčí hora", German:" Wolfsberg") in the Šluknov Hook, which join in Panský( German: Herrnwalde) at 1690 feet above sea level.
Coming from Zahrady( German: Gärten) another stream joins in Nové Křečany( Neu Ehrenberg).
From there the Mandau flows in a southeasterly direction through Rumburk( Rumburg; Bohemia), Seifhennersdorf( Saxony, Upper Lusatia) and Varnsdorf( Warnsdorf; Bohemia).
Afterwards it flows eastwards through another part of Upper Lusatia in which the Lausur joins in Großschönau, from Hainewalde through the to Mittelherwigsdorf, where the Landwasser joins, and finally it reaches Zittau where it flows east of the town 228 meters above sea level into the Lusatian Neisse.
Wittgendorfer Wasser
The Wittgendorfer Wasser is a river of Saxony, Germany.
It flows into the Lusatian Neisse near Hirschfelde.
Lubsza (river)
Lubsza is a river in Lubusz Voivodeship, Poland.
It is a tributary of Lusatian Neisse(" Nysa Łużycka") near Gubin.
Wittgendorfer Wasser
The Wittgendorfer Wasser is a river of Saxony, Germany.
It flows into the Lusatian Neisse near Hirschfelde.
Neisse (disambiguation)
The Lusatian Neisse is a river in Central Europe.
Neisse or may also refer to:
Legnitzka
Legnitzka, also" Lugknitzka", is a small river of Saxony, Germany.
It flows into the Lusatian Neisse near Bad Muskau, opposite the Polish town Łęknica.
Schmale Gera
Schmale Gera is a river of Thuringia, Germany.
It is a distributary of the Gera in Erfurt.
It flows into the Gramme near Werningshausen.
Pließnitz
The Pließnitz is a river of Saxony, Germany.
It is a right tributary of the Lusatian Neisse, which it joins near Görlitz.

Question: Are Schmale Gera and Lusatian Neisse located in the same country?
Answer: yes