Zakroczym [zaˈkrɔt͡ʂɨm] is a small town in the Masovian Voivodeship, Poland. It is located at around 52°26′16″N 20°36′43″E / 52.43778°N 20.61194°E / 52.43778; 20.61194. The Vistula River flows through the town. Zakroczym has a long and rich history: in the Kingdom of Poland and the Polish-Lithuanian Commonwealth, it was the capital of an administrative unit (ziemia), part of Mazovian Voivodeship. Also, Zakroczym was a royal town of the Crown of the Kingdom of Poland. The town lies at the intersection of two main roads - national road 62, and national road 7.