Navigation Menus in Themes — a practical guide to WordPress navigation menus with clear examples you can reuse in real projects.
WordPress Theme Development Series (32/96). Prefer one article? Read the complete WordPress theme development tutorial.
Short description
Menus are assigned in Appearance → Menus (or Site Editor for block themes).
Register + print menu
register_nav_menus(['primary' => __('Primary', 'acme-theme')]);
wp_nav_menu([
'theme_location' => 'primary',
'container' => 'nav',
'menu_class' => 'primary-menu',
]);