As with many questions, it depends . . . the Russian Orthodox Church is headed by the Patriarch of Moscow and All Russia (the Russian Orthodox Church is often referred to as "the Moscow...
After researching, there does not seem to be a Coptic Orthodox Church in Spain. There are Coptic Orthodox Churches in Germany, Sweden, England, The Netherlands, France, Austria, Italy, Denmark,...
The Russian Orthodox Church is part of the Eastern Orthodox Church, and is therefore in communion with all the other churches that belong to the Eastern Orthodox Church, such as the Greeks, Serbians,...
The Oriental Church broke away from the Eastern Orthodox Church during the 4th Ecumenical Council in Chalcedon. They differ from the Orthodox Church in that they are Monophysites, meaning they...