you are need set correct locale - use setlocale(LC_ALL, 'ru_RU.CP1251');
Full code:
setlocale(LC_ALL, 'ru_RU.CP1251');
echo strtoupper('SERVER USE LOCALE ru_RU.CP1251');
$file_name = 'test.csv';
if (($handle_f = fopen($file_name, "r")) !== FALSE)
{
while ( ($data_f = fgetcsv($handle_f, 20000, ";"))!== FALSE) {
echo 'Name - '.$data_f[0].', City - '.$data_f[1].', Adress - '.$data_f[2].', Site - '.$data_f[3].'<br>';
}
fclose($handle_f);
} else {$err = 1; echo "File not open";}
Reference for setlocale: http://us2.php.net/manual/en/function.setlocale.php