Bulgaria
In short
Bulgaria is a country located in Southeastern Europe on the Balkan Peninsula. It sits between the Black Sea to the east and the Danube river to the north.
In plain words
It is a nation in the Balkan region that borders Greece, Turkey, Serbia, North Macedonia, and Romania. It is the tenth largest country in the European Union.
A simple example
A traveller visiting Bulgaria might cross the Danube from Romania to enter the country.
Why it matters
Its location makes it a key link between Europe and Asia. It also holds significant territory and resources within the European Union.
Easy to mix up
Do not confuse Bulgaria with Balkan, which refers to the entire wider region.