Template:Country data Ostrów MazowieckaFrom Wikipedia, the free encyclopedia {{ {{{1}}} | alias = Ostrów Mazowiecka | flag alias = POL Ostrów Mazowiecka flag.svg | size = | name = }}
{{ {{{1}}} | alias = Ostrów Mazowiecka | flag alias = POL Ostrów Mazowiecka flag.svg | size = | name = }}