/** Currency Symbol Change Start **/

add_filter('woocommerce_currencies', 'my_woocommerce_currencies');
function my_woocommerce_currencies($currencies){
    $currencies['KRW'] = '대한민국';
    return $currencies;
}
add_filter('woocommerce_currency_symbol', 'my_woocommerce_currency_symbol', 10, 2);
function my_woocommerce_currency_symbol($currency_symbol, $currency){
    switch($currency){
        case 'KRW': $currency_symbol = '원'; break;
    }
    return $currency_symbol;
}

/** Currency Symbol Change End **/