![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/1/14/Dobrogea-cadrilater.png/640px-Dobrogea-cadrilater.png&w=640&q=50)
Southern Dobruja
Geographical region in north-eastern Bulgaria / From Wikipedia, the free encyclopedia
Southern Dobruja, South Dobruja, or Quadrilateral (Bulgarian: Южна Добруджа, romanized: Yuzhna Dobrudzha or simply Добруджа, Dobrudzha; Romanian: Dobrogea de Sud, Cadrilater or Dobrogea Nouă) is an area of north-eastern Bulgaria comprising Dobrich and Silistra provinces, part of the historical region of Dobruja. It has an area of 7,412 square km[1] and a population of 358,000. It was a part of the Kingdom of Romania de jure from 1913 to 1918 (de facto from 1913 to 1916) and again from 1919 to 1940.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/1/14/Dobrogea-cadrilater.png/320px-Dobrogea-cadrilater.png)