Category:20th-century fortifications in Germany
Countries of Europe: Finland · France‡ · Germany · Italy · Russia‡ · Spain‡ · Switzerland · United Kingdom
‡: partly located in Europe
‡: partly located in Europe
![](https://upload.wikimedia.org/wikipedia/commons/thumb/b/ba/Flag_of_Germany.svg/24px-Flag_of_Germany.svg.png)
Subcategories
This category has the following 3 subcategories, out of 3 total.