Ostrowiec County () is a unit of territorial administration and local government (powiat) in à ÂwiÃÂtokrzyskie 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 à ÂwiÃÂtokrzyski, which lies east of the regional capital Kielce. The county also contains the towns of ÃÂmielów, lying south-east of Ostrowiec à ÂwiÃÂtokrzyski, and Kunów, west of Ostrowiec à ÂwiÃÂtokrzyski.
The county covers an area of . As of 2019 its total population is 109,512, out of which the population of Ostrowiec à ÂwiÃÂtokrzyski is 68,641, that of ÃÂmielów is 3,012, that of Kunów is 2,967, and the rural population is 34,892.
Ostrowiec County is bordered by Lipsko County to the north, Opatów County to the south, and Kielce County and Starachowice County to the west.
The county is subdivided into six gminas (one urban, two urban-rural and three rural). These are listed in the following table, in descending order of population.
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