Map of the WWI Eastern Front area with main towns, rivers and railway lines.
<a href="//commons.wikimedia.org/wiki/User:Goran_tek-en" title="User:Goran tek-en">Goran tek-en</a>
CC BY-SA 4.0
<p><span class="int-own-work" lang="en">Own work</span><br></p>
This file was derived from: <a href="//commons.wikimedia.org/wiki/File:EasternFront1914a.jpg" title="File:EasternFront1914a.jpg">EasternFront1914a.jpg</a><br>