Tomaszów Mazowiecki is a town in central Poland with 62,649 inhabitants (2018). It is situated in the Łódź Voivodeship (since 1999); previously, it was part of Piotrków Trybunalski Voivodeship (1975–1998). Tomaszów occupies an area of 41.3km2 as of 2002. The town is situated on the banks of three rivers, the Pilica, Wolbórka, and Czarna Bielina, and is near the Sulejow Reservoir and the edge of the Puszcza Spalska wilderness area.