Płock (pronounced [pwɔt͡sk]) is a city on the Vistula river in central Poland. It is located in the Masovian Voivodeship (since 1999), having previously been the capital of the Płock Voivodeship (1975–1998). According to the data provided by GUS on 30 June 2009 there were 126,675 inhabitants in the city. Its full ceremonial name, according to the preamble to the City Statute, is Stołeczne Książęce Miasto Płock (the Princely or Ducal Capital City of Płock). It is used in ceremonial documents as well as for preserving an old tradition.