# Suomenlinna

> sea fortress by Helsinki, Finland

**Wikidata**: [Q1292442](https://www.wikidata.org/wiki/Q1292442)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Suomenlinna)  
**Source**: https://4ort.xyz/entity/suomenlinna


## References

1. Virtual International Authority File
2. Czech National Authority Database
3. [Source](https://dlibra.kul.pl/dlibra/publication/62410/edition/57849/content)
4. [Source](http://www.rky.fi/read/asp/r_kohde_det.aspx?KOHDE_ID=1569)
5. cultural heritage sites of national significance in Finland
6. YSO-Wikidata mapping project
7. [Source](http://whc.unesco.org/en/list/583)
8. Burgenwelt