Change default Checkout Country – Woocommerce

please add this to your function.php Change the country code to whatever you need

add_filter( ‘default_checkout_billing_country’, ‘change_default_checkout_country’ );
add_filter( ‘default_checkout_billing_state’, ‘change_default_checkout_state’ );

function change_default_checkout_country() {
return ‘GR’; // country code
}

function change_default_checkout_state() {
return null;
}