WooCommerce Rename “State” Label @ Checkout

woo-rename-checkout-state.php

/**
 * @snippet       Rename State Field Label @ WooCommerce Checkout
 * @author        NCY DESIGN https://wordpress.ncy.design
 * @compatible    WooCommerce 3.7
 */
 
add_filter( 'woocommerce_default_address_fields' , 'ncydesign_rename_state_province', 9999 );
 
function ncydesign_rename_state_province( $fields ) {
    $fields['state']['label'] = 'Province';
    return $fields;
}