Gostynin Land (Polish: ziemia gostyninska) named after the town of Gostynin, was an administrative unit (ziemia) of both the Kingdom of Poland and the Polish-Lithuanian Commonwealth. Divided into two counties, it belonged to Rawa Voivodeship.
The total area of Gostynin Land was 1933 km2: Gostynin County had an area of 794 km2 with 128 towns and villages, while Gabin County had an area of 1139 km2, with 159 towns and villages. Gostynin Land was one of three ziemias of Rawa Voivodeship, together with Rawa Land and Sochaczew Land.
Gostynin Land ceased to exist after the Partitions of Poland.
References
Gostynin Land Wikipedia(Text) CC BY-SA