Istrorumun
Istrorumun is a Romance language spoken by a small community in the Istrian peninsula of Croatia and Slovenia. It is considered to be one of the most endangered languages in Europe. The speakers of Istrorumun, known as Istro-Romanians or also known as Vlachs, are scattered across several villages, with the largest concentration historically in the interior of the peninsula.
The origins of Istrorumun are debated, but it is generally believed to have descended from a Balkan
In recent decades, the number of Istrorumun speakers has declined significantly due to assimilation, emigration, and