Sochaczew Land (Polish: ziemia sochaczewska), named after the town of Sochaczew, was an administrative unit (ziemia) of the Duchy of Mazovia, Kingdom of Poland and the Polish-Lithuanian Commonwealth. With its capital in Sochaczew, it belonged to Rawa Voivodeship. Sochaczew Land was divided into two counties: Sochaczew and Mszczonow.
The Land of Sochaczew ceased to exist after the Partitions of Poland.
References
Sochaczew Land Wikipedia(Text) CC BY-SA