Russian federal subjects similar to or like Saint Petersburg

A of the history of the city of Saint Petersburg, Russia. 1611 – Nyenschantz built by Swedes. Wikipedia

Capital and largest city of Russia. The city stands on the Moskva River in Central Russia, with a population estimated at 12.4 million residents within the city limits, while over 17 million residents in the urban area, and over 20 million residents in the Moscow Metropolitan Area. Wikipedia

Transcontinental country spanning Eastern Europe and Northern Asia. It covers over 17125191 km2, consists of more than one-eighth of the Earth's inhabited land area, extends to eleven time zones, and has borders with sixteen sovereign nations. Wikipedia

Largest city and the administrative centre of Kaliningrad Oblast, the westernmost Oblast of Russia. Situated on the Pregolya River, at the head of the Vistula Lagoon on the Baltic Sea, with a population of 489,359 residents, up to 800,000 residents in the urban agglomeration. Wikipedia

List of people associated with the modern Russian Federation, the Soviet Union, Imperial Russia, Russian Tsardom, the Grand Duchy of Moscow, Kievan Rus', and other predecessor states of Russia. Regardless of ethnicity or emigration, the list includes famous natives of Russia and its predecessor states, as well as people who were born elsewhere but spent most of their active life in Russia. Wikipedia

List of buildings and structures in Saint Petersburg, Russia. Admiralty building Wikipedia