# Category:German Type U 31 submarines

> Wikimedia category

**Wikidata**: [Q7035037](https://www.wikidata.org/wiki/Q7035037)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Category:German_Type_U_31_submarines)  
**Source**: https://4ort.xyz/entity/category-german-type-u-31-submarines