Simplify the following text for a Grade 8 native English-speaking person.
Original: Romania ( ; also spelled : Rumania , dated : Roumania ; ) is a country located at the crossroads of Central and Southeastern Europe , north of the Balkan Peninsula , on the Lower Danube , within and outside the Carpathian arch , bordering on the Black Sea .
Simplified: Romania ( old spelling : Rumania , Roumania ; , ) is a country in the southeast of Central Europe . It is north of the Balkan Peninsula , on the Lower Danube River .