Belarusians are a major ethnic group in Russia. At the census of 2010, 521,443 Russian citizens indicated Belarusian ancestry. Major Belarusian groups live in the regions of Moscow, St. Petersburg, Kaliningrad, Karelia and Siberia. Most Belarusians in Russia are migrants from modern Belarus or their descendants, while a minor part of Belarusians in Russia are indigenous.