From 1802 - 1929/1932 the Chernigovskaya gubernia/region (Czarist then Soviet Russia) had 15 uezd/ counties, 11 of which (Borzna, Hlukhiv, Horodnia, Kozelets, Konotop, Krolevets, Nizhen, Novhorod-Siverskyi, Oster, Sosnytsia, Chernihiv) are located within Ukraine today. The remaining four northern counties (Mglin, Novozybkov, Starodub, Surazh) were part of a mixed Ukrainian, Belarusyn and Russian ethnic territory and today are geopolitical entities in Russia and Belarus.