Zawichost is a small town (ca. 1,800 inhabitants ) in Sandomierz County, Świętokrzyskie Voivodeship, Poland. It is located by the Vistula River in Lesser Poland, near Sandomierz. It is first mentioned in historical documents from around 1148. In 1205 the Battle of Zawichost was fought nearby. In 1241, 1259 and 1287 the town was ravaged by Mongol raids. Granted town rights before 1255, in the late Middle Ages it was one of the most important urban centers of Lesser Poland.