Sandomierz is a historical town in south-eastern Poland with 23,863 inhabitants (2017), situated in the Świętokrzyskie Voivodeship since 1999. It is the capital of Sandomierz County. Sandomierz is known for its preserved Old Town, a major cultural and tourist attraction which was declared a National Monument of Poland in 2017. In the past, Sandomierz used to be one of the most important urban centers not only of Lesser Poland, but also of the whole country. It was a royal city of the Polish Crown and a regional administrative center from the High Middle Ages to the 19th century.