Register Widget Area

snippet.php

// Register
<?php
function language_select_widget_init() {

    register_sidebar( array(
        'name'          => 'Language Select',
        'id'            => 'fdi_language_select',
    ) );

}
add_action( 'widgets_init', 'language_select_widget_init' );
?>

// Call
<?php
if (is_active_sidebar('fdi_language_select')) : ?>

    <?php dynamic_sidebar('fdi_language_select'); ?>

<?php endif; ?>