Toruń is a city on the Vistula River in north-central Poland and a UNESCO World Heritage Site. Its population was 196,935 as of December 202…Toruń is a city on the Vistula River in north-central Poland and a UNESCO World Heritage Site. Its population was 196,935 as of December 2021. Previously, it was the capital of the Toruń Voivodeship and the Pomeranian Voivodeship. Since 1999, Toruń has been a seat of the local government of the Kuyavian-Pomeranian Voivodeship and is one of its two capitals, together with Bydgoszcz. The cities and neighboring counties form the Bydgoszcz–Toruń twin city metropolitan area.