The Plain of Wallachia is located in the country of Romania.
Bulgaria
mountains: the Carpathian Mountains, the Tatra Mountains (with the highest point of country)the biggest rivers: the Danube, the Váh and the Hronlowlands: the Danubian Lowland, the Eastern Slovak Lowland and more
A high plateau encircled by mountains is called a basin or a highland plateau.
Bulgaria.
It's southern Romania. It's the Romanian part of a wider lower Danube basin known south of the river in Bulgaria as the Danubian Plain.
alps plateau
The Cumberland Plateau.
The plateau located east of the Zagros Mountains is the Iranian Plateau. This vast plateau covers a large portion of Iran and is characterized by its high elevation and arid climate. The plateau is surrounded by several mountain ranges, including the Zagros Mountains to the west.
Yes
The high plateau between the coastal mountains and the Rockies is called the Intermountain Plateau.
The Ozarks Plateau