You have to add this code in the functions.php file:
/** * Register new sidebar * */ function new_sidebar_widget_init() { register_sidebar( array( 'name' => 'new-sidebar', 'id' => 'new-sidebar', 'before_widget' => '<div id="new-sidebar">', 'after_widget' => '</div>', 'before_title' => '', 'after_title' => '', ) ); } add_action( 'widgets_init', 'new_sidebar_widget_init' ); and then call the sidebar from a template to display it:
<?php dynamic_sidebar( 'new-sidebar' ); ?>