No. Tehran is the capital of Iran and is located in Asia.
The capital of Russia is Moscow, and it is located both in Europe and Asia. Most of Moscow's population and major landmarks are situated in the European part of the city.
Asia
Baghdad is part of Asia. It is the capital city of Iraq, which is located in Western Asia.
Because of its capital Constantinople had a cultural diffusion. This capital Constantinople was a center of trade. and was located in the crossroads of Europe and Asia
Ulaanbaatar is the capital city of Mongolia, a country in east Asia. Ulaanbaatar is located at 48 degrees north and 108 degrees east.
Those coordinates are in India, all of which is in Asia.
The capital city of Dili is located in Timor-Leste at 50 degrees North. It is located in north Asia.
Ankara is the capital of Turkey. Turkey is partially in Europe and mostly in Asia. Ankara is in the part that is in Asia.
Rome is the capital city of Italy. Italy is in Europe.europe
Moscow, the capital of Russia, is on the European side, thus giving Russia a European government.
Baku is the capital city of Azerbaijan, located in the South Caucasus, located partially in Eastern Europe and partially in Western Asia.