Oelsa
Oelsa [ ˈœlzɑː ], also Ölsa , derived from the Old Slavic word Olšová or Olešná (' alder ') in Saxony
- Oelsa (Löbau) , a district of Löbau, district of Görlitz
- Oelsa (Rabenau) , a district of Rabenau, district of Saxon Switzerland-Eastern Ore Mountains
- Klein-Oelsa (Wolešnica), part of Boxberg / OL, district of Görlitz
- Upper and Lower Oelsa (Hornja / Delnja Wólšina), district of Mücka, district of Görlitz
such as:
- the Oelsabach , tributary near Rabenau