Moscow is the most commonly used synonym for the term "Russian Capital." This city is not only the largest city in Russia but it is also the political, cultural, and economic center of the country. Other synonyms for the Russian capital include "capital city of Russia," "Moscow Metropolis," "Kremlin City," and "city of the Tsars." While Moscow is the most widely known synonym, other cities like Saint Petersburg and Novosibirsk also serve as important economic hubs in Russia. Saint Petersburg is known for its beautiful architecture and it also served as the former capital of Russia while Novosibirsk is the third-largest city in Russia and an important center for technology and science.