Osterseen

Osterseen is a group of lakes in Bavaria, Germany, about 50 km south-south-west of Munich.
At an elevation of 588 m, its surface area is 223.55 ha.

WWW Official Site

Islands

sorted by water body:

Großer Ostersee

Holzau
Marieninsel
Steigerinsel, formerly Putzen Eila
Roseninsel
Schwaigerinsel

Frechensee

unnamed island, c. 20 m distance from northern bank
unnamed island, c. 25 m from western bank