# Tanfiliev Island

> island in Sakhalin Oblast, Russia

**Wikidata**: [Q904438](https://www.wikidata.org/wiki/Q904438)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tanfilyev_Island)  
**Source**: https://4ort.xyz/entity/tanfiliev-island


## References

1. Soviet–Japanese Joint Declaration of 1956
2. Treaty of Shimoda
3. Kuril Islands dispute
4. [Geospatial Information Authority of Japan](https://www.gsi.go.jp/KOKUJYOHO/MENCHO/backnumber/GSI-menseki20210101.pdf)