Kategorien auflisten

<?php
$categories = get_categories( array(
    'orderby' => 'name',
    'parent'  => 0
) );
 
foreach ( $categories as $category ) {
    printf( '<a href="%1$s">%2$s</a><br />',
        esc_url( get_category_link( $category->term_id ) ),
        esc_html( $category->name )
    );
}      ?>

Quelle: https://wordpress.org/support/topic/how-to-display-permalink-of-category-parent/