diff --git a/wp-multi-network/includes/functions.php b/wp-multi-network/includes/functions.php
index f2b7d80..7ffe86f 100644
--- a/wp-multi-network/includes/functions.php
+++ b/wp-multi-network/includes/functions.php
@@ -576,6 +576,18 @@ function add_network( $args = array() ) {
 			return $new_blog_id;
 		}
 
+		/**
+		 * Fires after a new network blog has been added.
+		 *
+		 * @param int $new_blog_id ID of the added network blog.
+		 * @param int $new_network_id ID of the added network.
+		 * @param array $r Full associative array of network arguments.
+		 *
+		 * @since 2.5.3
+		 */
+		do_action( 'added_network_blog', $new_blog_id, $new_network_id, $r );
+    
+    // add new blog id as network meta data against the new network
 		$r['network_meta']['main_site'] = $new_blog_id;
 
 		if ( empty( $r['network_meta']['site_name'] ) ) {
diff --git a/wp-multi-network/includes/metaboxes/edit-network.php b/wp-multi-network/includes/metaboxes/edit-network.php
index 6e91774..63f7f9d 100644
--- a/wp-multi-network/includes/metaboxes/edit-network.php
+++ b/wp-multi-network/includes/metaboxes/edit-network.php
@@ -23,6 +23,8 @@ function wpmn_edit_network_details_metabox( $network = null ) {
 	?>
 
 	<table class="edit-network form-table">
+		<?php do_action('wpmn_edit_network_details_metabox_before_group', $network); ?>
+
 		<tr class="form-field form-required">
 			<th scope="row">
 				<label for="domain"><?php esc_html_e( 'Domain', 'wp-multi-network' ); ?></label>
@@ -43,6 +45,8 @@ function wpmn_edit_network_details_metabox( $network = null ) {
 				<p class="description"><?php esc_html_e( 'Use "/" if you are unsure.', 'wp-multi-network' ); ?></p>
 			</td>
 		</tr>
+
+		<?php do_action('wpmn_edit_network_details_metabox_after_group', $network); ?>
 	</table>
 
 	<?php
@@ -57,6 +61,8 @@ function wpmn_edit_network_new_site_metabox() {
 	?>
 
 	<table class="edit-network form-table">
+		<?php do_action('wpmn_edit_network_new_site_metabox_before_group'); ?>
+
 		<tr class="form-field form-required">
 			<th scope="row">
 				<label for="new_site"><?php esc_html_e( 'Site Name', 'wp-multi-network' ); ?>:</label>
@@ -66,6 +72,8 @@ function wpmn_edit_network_new_site_metabox() {
 				<p class="description"><?php esc_html_e( 'A new site needs to be created at the root of this network.', 'wp-multi-network' ); ?></p>
 			</td>
 		</tr>
+
+		<?php do_action('wpmn_edit_network_new_site_metabox_after_group'); ?>
 	</table>
 
 	<?php