diff --git a/assets/images/flags/glp.png b/assets/images/flags/glp.png
new file mode 100644
index 00000000..576c038f
Binary files /dev/null and b/assets/images/flags/glp.png differ
diff --git a/assets/images/flags/grl.png b/assets/images/flags/grl.png
new file mode 100644
index 00000000..1adea9eb
Binary files /dev/null and b/assets/images/flags/grl.png differ
diff --git a/assets/images/flags/guf.png b/assets/images/flags/guf.png
new file mode 100644
index 00000000..576c038f
Binary files /dev/null and b/assets/images/flags/guf.png differ
diff --git a/assets/images/flags/mtq.png b/assets/images/flags/mtq.png
new file mode 100644
index 00000000..deefcae6
Binary files /dev/null and b/assets/images/flags/mtq.png differ
diff --git a/assets/images/flags/pyf.png b/assets/images/flags/pyf.png
new file mode 100644
index 00000000..96663c64
Binary files /dev/null and b/assets/images/flags/pyf.png differ
diff --git a/assets/images/flags/reu.png b/assets/images/flags/reu.png
new file mode 100644
index 00000000..576c038f
Binary files /dev/null and b/assets/images/flags/reu.png differ
diff --git a/assets/images/flags/sxm.png b/assets/images/flags/sxm.png
new file mode 100644
index 00000000..f7383931
Binary files /dev/null and b/assets/images/flags/sxm.png differ
diff --git a/includes/class-sp-countries.php b/includes/class-sp-countries.php
index c6fee338..f617572e 100644
--- a/includes/class-sp-countries.php
+++ b/includes/class-sp-countries.php
@@ -68,6 +68,7 @@ class SP_Countries {
 				'nam',
 				'nga',
 				'nig',
+				'reu',
 				'rsa',
 				'rwa',
 				'sdn',
@@ -207,6 +208,8 @@ class SP_Countries {
 				'cuw',
 				'dma',
 				'dom',
+				'glp',
+				'grl',
 				'grn',
 				'gua',
 				'hai',
@@ -214,12 +217,14 @@ class SP_Countries {
 				'jam',
 				'lca',
 				'mex',
+				'mtq',
 				'msr',
 				'nca',
 				'pan',
 				'pur',
 				'skn',
 				'slv',
+				'sxm',
 				'tca',
 				'usa',
 				'vgb',
@@ -242,6 +247,7 @@ class SP_Countries {
 				'nzl',
 				'plw',
 				'png',
+				'pyf',
 				'sam',
 				'sol',
 				'tah',
@@ -257,6 +263,7 @@ class SP_Countries {
 				'chi',
 				'col',
 				'ecu',
+				'guf',
 				'guy',
 				'par',
 				'per',
@@ -338,6 +345,8 @@ class SP_Countries {
 			'fin' => __( "Finland", 'sportspress' ),
 			'fra' => __( "France", 'sportspress' ),
 			'fro' => __( "Faroe Islands", 'sportspress' ),
+			'guf' => __( "French Guiana", 'sportspress' ),
+			'pyf' => __( "French Polynesia", 'sportspress' ),
 			'fsm' => __( "Micronesia", 'sportspress' ),
 			'gab' => __( "Gabon", 'sportspress' ),
 			'gam' => __( "Gambia", 'sportspress' ),
@@ -346,8 +355,10 @@ class SP_Countries {
 			'ger' => __( "Germany", 'sportspress' ),
 			'gha' => __( "Ghana", 'sportspress' ),
 			'gib' => __( "Gibraltar", 'sportspress' ),
+			'glp' => __( "Guadeloupe", 'sportspress' ),
 			'gnb' => __( "Guinea-Bissau", 'sportspress' ),
 			'gre' => __( "Greece", 'sportspress' ),
+			'grl' => __( "Greenland", 'sportspress' ),
 			'grn' => __( "Grenada", 'sportspress' ),
 			'gua' => __( "Guatemala", 'sportspress' ),
 			'gui' => __( "Guinea", 'sportspress' ),
@@ -373,6 +384,7 @@ class SP_Countries {
 			'kos' => __( "Kosovo", 'sportspress' ),
 			'kgz' => __( "Kyrgyzstan", 'sportspress' ),
 			'kir' => __( "Kiribati", 'sportspress' ),
+			'mtq' => __( "Martinique", 'sportspress' ),
 			'kor' => __( "South Korea", 'sportspress' ),
 			'ksa' => __( "Saudi Arabia", 'sportspress' ),
 			'kuw' => __( "Kuwait", 'sportspress' ),
@@ -433,6 +445,7 @@ class SP_Countries {
 			'qat' => __( "Qatar", 'sportspress' ),
 			'rou' => __( "Romania", 'sportspress' ),
 			'rsa' => __( "South Africa", 'sportspress' ),
+			'reu' => __( "Reunion", 'sportspress' ),
 			'rus' => __( "Russia", 'sportspress' ),
 			'rwa' => __( "Rwanda", 'sportspress' ),
 			'sam' => __( "Samoa", 'sportspress' ),
@@ -457,6 +470,7 @@ class SP_Countries {
 			'svn' => __( "Slovenia", 'sportspress' ),
 			'swe' => __( "Sweden", 'sportspress' ),
 			'swz' => __( "Eswatini", 'sportspress' ),
+			'sxm' => __( "Sint Maarten", 'sportspress' ),
 			'syr' => __( "Syria", 'sportspress' ),
 			'tah' => __( "Tahiti", 'sportspress' ),
 			'tan' => __( "Tanzania", 'sportspress' ),
diff --git a/includes/sp-core-functions.php b/includes/sp-core-functions.php
index cad4706c..2b91b7ca 100644
--- a/includes/sp-core-functions.php
+++ b/includes/sp-core-functions.php
@@ -1715,3 +1715,22 @@ function sp_has_shortcodes( $content, $tags ) {
 	}
 	return false;
 }
+
+/**
+ * Check if a custom flag was uploaded from the user
+ * @return bool
+ */
+function sp_flags( $nationality ) {
+	$nationality = strtolower( $nationality );
+	$flag = '';
+	global $wpdb;
+	$flag_post_id = intval( $wpdb->get_var( "SELECT post_id FROM {$wpdb->postmeta} WHERE meta_value LIKE '%/$nationality'" ) );
+	if ( $flag_post_id ) {
+		$flag_src = wp_get_attachment_image_url( $flag_post_id, array( 23,15), false );
+		$flag = '<img src="' . $flag_src . '" alt="' . $nationality . '">';
+	}else{
+		$flag = '<img src="' . plugin_dir_url( SP_PLUGIN_FILE ) . 'assets/images/flags/' . $nationality . '.png" alt="' . $nationality . '">';
+	}
+	
+	return $flag;
+}
diff --git a/templates/official-details.php b/templates/official-details.php
index 48be84c1..3837ce33 100644
--- a/templates/official-details.php
+++ b/templates/official-details.php
@@ -51,7 +51,7 @@ if ( $show_nationality ):
 		$values = array();
 		foreach ( $nationalities as $nationality ):
 			$country_name = sp_array_value( $countries, $nationality, null );
-			$values[] = $country_name ? ( $show_nationality_flags ? '<img src="' . plugin_dir_url( SP_PLUGIN_FILE ) . 'assets/images/flags/' . strtolower( $nationality ) . '.png" alt="' . $nationality . '"> ' : '' ) . $country_name : '&mdash;';
+			$values[] = $country_name ? ( $show_nationality_flags ? sp_flags( $nationality ) : '' ) . $country_name : '&mdash;';
 		endforeach;
 		$common[ __( 'Nationality', 'sportspress' ) ] = implode( '<br>', $values );
 	endif;
diff --git a/templates/player-details.php b/templates/player-details.php
index 3a2c742d..7dbf55de 100644
--- a/templates/player-details.php
+++ b/templates/player-details.php
@@ -51,7 +51,7 @@ if ( $show_nationality ):
 		$values = array();
 		foreach ( $nationalities as $nationality ):
 			$country_name = sp_array_value( $countries, $nationality, null );
-			$values[] = $country_name ? ( $show_nationality_flags ? '<img src="' . plugin_dir_url( SP_PLUGIN_FILE ) . 'assets/images/flags/' . strtolower( $nationality ) . '.png" alt="' . $nationality . '"> ' : '' ) . $country_name : '&mdash;';
+			$values[] = $country_name ? ( $show_nationality_flags ? sp_flags( $nationality ) : '' ) . $country_name : '&mdash;';
 		endforeach;
 		$common[ __( 'Nationality', 'sportspress' ) ] = implode( '<br>', $values );
 	endif;
diff --git a/templates/player-list.php b/templates/player-list.php
index bab8abd2..114e201c 100644
--- a/templates/player-list.php
+++ b/templates/player-list.php
@@ -179,7 +179,7 @@ foreach ( $groups as $group ):
 			$nationalities = $player->nationalities();
 			if ( ! empty( $nationalities ) ):
 				foreach ( $nationalities as $nationality ):
-					$name = '<span class="player-flag"><img src="' . plugin_dir_url( SP_PLUGIN_FILE ) . 'assets/images/flags/' . strtolower( $nationality ) . '.png" alt="' . $nationality . '"></span>' . $name;
+					$name = '<span class="player-flag">' . sp_flags( $nationality ) . '</span>' . $name;
 				endforeach;
 				$name_class .= ' has-photo';
 			endif;
diff --git a/templates/staff-details.php b/templates/staff-details.php
index ce04eb61..9fca30a9 100644
--- a/templates/staff-details.php
+++ b/templates/staff-details.php
@@ -41,7 +41,7 @@ if ( $show_nationality && $nationalities && is_array( $nationalities ) ):
 			$nationality = sp_array_value( $legacy, $nationality, null );
 		endif;
 		$country_name = sp_array_value( $countries, $nationality, null );
-		$values[] = $country_name ? ( $show_nationality_flags ? '<img src="' . plugin_dir_url( SP_PLUGIN_FILE ) . 'assets/images/flags/' . strtolower( $nationality ) . '.png" alt="' . $nationality . '"> ' : '' ) . $country_name : '&mdash;';
+		$values[] = $country_name ? ( $show_nationality_flags ? sp_flags( $nationality ) : '' ) . $country_name : '&mdash;';
 	endforeach;
 	$data[ __( 'Nationality', 'sportspress' ) ] = implode( '<br>', $values );
 endif;