iron curtain
The Urals, the Caucasus, the Caspian Sea, the Black Sea, and the Bosporus Strait all act as dividing lines between Europe and Asia.
eurasia
There is also a view as EurAsia is one continent and there is no dividing line between the two. In contrast if we look, the Ural Mountains in Russia could be a dividing line between Europe and Asia.
The dividing line between light and shadow across the moon's disk is called the terminator. This is the line that separates the illuminated side of the moon from the dark side.
The Ural & Caucus Mountains as well as the Bosphorus Strait.
ural mountains
Asia. The dividing line between Europe and Asia is generally thought to be the Ural mountains.
Moscow is in the part of Russia that is in Europe.
The Ural Mountains are the dividing line between Europe and Asia. They're located in Russia.
The Border line dividing Pakistan and Afganistaan
The name is Ural. Although not everyone agrees with this particular demarcation of the Europe/Asia dividing line.
Russia is partly in Europe and partly in Asia. The Ural Mountains (in Russia) are the dividing line between the two continents.