Ostrowiec County (Polish: powiat ostrowiecki) is a unit of territorial administration and local government (powiat) in wi tokrzyskie Voivodeship, south-central Poland. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat and largest town is Ostrowiec wi tokrzyski, which lies 56 kilometres (35 mi) east of the regional capital Kielce. The county also contains the towns of mielów, lying 10 km (6 mi) south-east of Ostrowiec wi tokrzyski, and Kunów, 9 km (6 mi) west of Ostrowiec wi tokrzyski. The county covers an area of 616.33 square kilometres (238.0 sq mi). As of 2006 its total population is 116,179, out of which the population of Ostrowiec wi tokrzyski is 73,937, that of mielów is 3,172, that of Kunów is 3,127, and the rural population is 35,943.
Ostrowiec wi tokrzyski is a town in south-central Poland with 74,211 inhabitants (2006). The main industry is manufacture of iron. Situated in the wi tokrzyskie Voivodeship (since 1999), previously in Kielce Voivodeship (1975-1998). It is the capital of Ostrowiec wi tokrzyski County.Ostrowiec wi tokrzyski also boasts a Musical School and the State Artistic Centre, both of which have had an important influence upon the cultural development of the town.