Orthodox Christianity.
The Orthodox Church.
Russia covers most of the North European Plain in eastern Europe. It is the largest country in the world by land area and spans across both Europe and Asia. The North European Plain is one of the major geographical features of Russia and extends into several other countries in Eastern Europe.
If you mean Prussia, it no longer exists. It officially ceased existence in 1947. In the 18th and 19th centuries it was a powerful force in eastern Europe. You may be referring to Russia. It does exist and is still a major power in eastern Europe.
Southern and eastern Europe, Italy, Hungry, Russia, China, and Ukraine.
Major mountain ranges in Eastern Europe include the Caucuses, the Urals, and the Transylvanian Alps.
The Ural Mountains form Europe's eastern boundary, while the Volga River is a major river in Russia that flows into the Caspian Sea, which lies to the southeast of Europe's eastern border.
The Major Religion in Chechnya is Islam Sunni 95%.
None of the three major religions have roots in Europe. However, Protestantism, a sect of Christianity, and it is a sect based on protests of the Catholic and Church of England. Protestants are a plurality in the United States and Canada.
Istanbul,Turkey
Christian Orthodox
Western and Eastern Europe.