# Black Triangle

> the nickname for one of Europe's most polluted areas, where Germany, Poland and the Czech Republic meet

**Wikidata**: [Q15187574](https://www.wikidata.org/wiki/Q15187574)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Black_Triangle_(region))  
**Source**: https://4ort.xyz/entity/black-triangle-q15187574