diff --git a/configs/AppConfig.inc b/configs/AppConfig.inc
index 541a51e2..eade2271 100644
--- a/configs/AppConfig.inc
+++ b/configs/AppConfig.inc
@@ -67,6 +67,38 @@
 		);
 		
 		
+		/**
+		 * Validation settings for user input
+		 * 
+		 * @static
+		 * @var array
+		 */
+		public static $validation = array(
+			'username' => array(
+				'minlength'	=> 5,
+				'maxlength'	=> 32,
+				'regex'		=> '/^\w*$/'
+			),
+			'email' => array(
+				'regex'		=> '/^\S+@[\w\d.-]{2,}\.[\w]{2,6}$/iU'
+			),
+			'prename' => array(
+				'minlength'	=> 2,
+				'maxlength'	=> 128,
+				'regex'		=> '/^\S*$/'
+			),
+			'surname' => array(
+				'minlength'	=> 2,
+				'maxlength'	=> 128,
+				'regex'		=> '/^\S*$/'
+			),
+			'password' => array(
+				'minlength'	=> 5,
+				'maxlength'	=> 64
+			)
+		);
+		
+		
 		/**
 		 * Routes
 		 *
@@ -76,7 +108,7 @@
 		public static $routes = array(
 			array('css/?(.*)',						'css/$1?layout=stylesheet',		true),
 			array('users/([^/]+)/(edit|delete)',				'users/$2/$1',				true),
-			array('users/(?!(index|login|logout|create|edit|delete))',	'users/user/$1',			true),
+			array('users/(?!(index|login|register|logout|create|edit|delete))',	'users/user/$1',			true),
 			array('seminaries/([^/]+)/(edit|delete)',			'seminaries/$2/$1',			true),
 			array('seminaries/(?!(index|create|edit|delete))',		'seminaries/seminary/$1',		true),
 			/*// z/<Seminary>					⇒ z/seminaries/seminary/<Seminary>
diff --git a/controllers/UsersController.inc b/controllers/UsersController.inc
index f6203cc6..04d1f016 100644
--- a/controllers/UsersController.inc
+++ b/controllers/UsersController.inc
@@ -37,6 +37,12 @@
 		 * @var array
 		 */
 		public $models = array('users', 'characters');
+		/**
+		 * Required components
+		 * 
+		 * @var array
+		 */
+		public $components = array('validation');
 		
 		
 		
@@ -102,12 +108,12 @@
 					$username,
 					$this->request->getPostParam('password')
 				);
-				
+			
 				if(!is_null($userId))
 				{
 					$this->Auth->setUserId($userId);
 					$user = $this->Users->getUserById($userId);
-					
+			
 					$this->redirect($this->linker->link(array($user['url']), 1));
 				}
 			}
@@ -119,6 +125,68 @@
 		}
 		
 		
+		/**
+		 * Action: register.
+		 * 
+		 * Register a new user.
+		 */
+		public function register()
+		{
+			$username = '';
+			$prename = '';
+			$surname = '';
+			$email = '';
+			
+			$fields = array('username', 'prename', 'surname', 'email', 'password');
+			$validation = array();
+			
+			// Register a new user
+			if($this->request->getRequestMethod() == 'POST' && !is_null($this->request->getPostParam('register')))
+			{
+				// Get params and validate them
+				$validation = $this->Validation->validateParams($this->request->getPostParams(), $fields);
+				$username = $this->request->getPostParam('username');
+				$prename = $this->request->getPostParam('prename');
+				$surname = $this->request->getPostParam('surname');
+				$email = $this->request->getPostParam('email');
+				
+				// Register
+				if($validation === true)
+				{
+					$userId = $this->Users->createUser(
+						$username,
+						$prename,
+						$surname,
+						$email,
+						$this->request->getPostParam('password')
+					);
+			
+					// Login
+					$this->Auth->setUserId($userId);
+					$user = $this->Users->getUserById($userId);
+			
+					// Redirect to user page
+					$this->redirect($this->linker->link(array($user['url']), 1));
+				}
+			}
+			
+			// Get validation settings
+			$validationSettings = array();
+			foreach($fields as &$field) {
+				$validationSettings[$field] = \nre\configs\AppConfig::$validation[$field];
+			}
+			
+			
+			// Pass data to view
+			$this->set('username', $username);
+			$this->set('prename', $prename);
+			$this->set('surname', $surname);
+			$this->set('email', $email);
+			$this->set('validation', $validation);
+			$this->set('validationSettings', $validationSettings);
+		}
+		
+		
 		/**
 		 * Action: logout.
 		 *
@@ -146,6 +214,8 @@
 				// Create new user
 				$userId = $this->Users->createUser(
 					$this->request->getPostParam('username'),
+					$this->request->getPostParam('prename'),
+					$this->request->getPostParam('surname'),
 					$this->request->getPostParam('email'),
 					$this->request->getPostParam('password')
 				);
@@ -180,6 +250,8 @@
 					$this->Users->editUser(
 						$user['id'],
 						$this->request->getPostParam('username'),
+						$this->request->getPostParam('prename'),
+						$this->request->getPostParam('surname'),
 						$this->request->getPostParam('email'),
 						$this->request->getPostParam('password')
 					);
diff --git a/models/UsersModel.inc b/models/UsersModel.inc
index d42db7c7..88a7ed2d 100644
--- a/models/UsersModel.inc
+++ b/models/UsersModel.inc
@@ -132,22 +132,48 @@
 		 * @param	string	$password	Password of the user to create
 		 * @return	int			ID of the newly created user
 		 */
-		public function createUser($username, $email, $password)
+		public function createUser($username, $prename, $surname, $email, $password)
 		{
-			$this->db->query(
-				'INSERT INTO users '.
-				'(username, url, email, password) '.
-				'VALUES '.
-				'(?, ?, ?, ?)',
-				'ssss',
-				$username,
-				\nre\core\Linker::createLinkParam($username),
-				$email,
-				$this->hash($password)
-			);
+			$userId = null;
+			$this->db->setAutocommit(false);
+			try {
+				// Create user
+				$this->db->query(
+					'INSERT INTO users '.
+					'(username, url, surname, prename, email, password) '.
+					'VALUES '.
+					'(?, ?, ?, ?, ?, ?)',
+					'ssssss',
+					$username,
+					\nre\core\Linker::createLinkParam($username),
+					$surname,
+					$prename,
+					$email,
+					$this->hash($password)
+				);
+				$userId = $this->db->getInsertId();
+				
+				// Add role “user”
+				$this->db->query(
+					'INSERT INTO users_userroles '.
+					'(user_id, userrole_id) '.
+					'SELECT ?, userroles.id '.
+					'FROM userroles '.
+					'WHERE userroles.name = ?',
+					'is',
+					$userId,
+					'user'
+				);
+			}
+			catch(Exception $e) {
+				$this->db->rollback();
+				$this->db->setAutocommit(true);
+				throw $e;
+			}
+			$this->db->setAutocommit(true);
 			
 			
-			return $this->db->getInsertId();
+			return $userId;
 		}
 		
 		
@@ -160,17 +186,20 @@
 		 * @param	string	$email		Changed e‑mail-address of user
 		 * @param	string	$password	Changed plaintext password of user
 		 */
-		public function editUser($userId, $username, $email, $password)
+		public function editUser($userId, $username, $prename, $surname, $email, $password)
 		{
+			$this->db->setAutocommit(false);
 			try {
 				// Update user data
 				$this->db->query(
 					'UPDATE users '.
-					'SET username = ?, url = ?, email = ? '.
+					'SET username = ?, url = ?, prename = ?, surname = ?, email = ? '.
 					'WHERE id = ?',
-					'sssi',
+					'sssssi',
 					$username,
 					\nre\core\Linker::createLinkParam($username),
+					$prename,
+					$surname,
 					$email,
 					$userId
 				);
diff --git a/views/html/users/create.tpl b/views/html/users/create.tpl
index 8536804d..d4f38bb7 100644
--- a/views/html/users/create.tpl
+++ b/views/html/users/create.tpl
@@ -5,8 +5,12 @@
 	<fieldset>
 		<label for="username"><?=_('Username')?>:</label>
 		<input type="text" name="username" placeholder="<?=_('Username')?>" /><br />
-		<label for="email"><?=_('E‑Mail-Address')?>:</label>
-		<input type="email" name="email" placeholder="<?=_('E‑Mail-Address')?>" /><br />
+		<label for="prename"><?=_('Prename')?>:</label>
+		<input name="prename" type="text" placeholder="<?=_('Prename')?>" /><br />
+		<label for="surname"><?=_('Surname')?>:</label>
+		<input name="surname" type="text" placeholder="<?=_('Surname')?>" /><br />
+		<label for="email"><?=_('E‑mail address')?>:</label>
+		<input type="email" name="email" placeholder="<?=_('E‑mail address')?>" /><br />
 		<label for="password"><?=_('Password')?>:</label>
 		<input type="password" name="password" placeholder="<?=_('Password')?>" /><br />
 	</fieldset>
diff --git a/views/html/users/edit.tpl b/views/html/users/edit.tpl
index ef47268c..56ba5d7b 100644
--- a/views/html/users/edit.tpl
+++ b/views/html/users/edit.tpl
@@ -5,8 +5,12 @@
 	<fieldset>
 		<label for="username"><?=_('Username')?>:</label>
 		<input type="text" name="username" placeholder="<?=_('Username')?>" value="<?=$user['username']?>" /><br />
-		<label for="email"><?=_('E‑Mail-Address')?>:</label>
-		<input type="email" name="email" placeholder="<?=_('E‑Mail-Address')?>" value="<?=$user['email']?>" /><br />
+		<label for="prename"><?=_('Prename')?>:</label>
+		<input name="prename" type="text" placeholder="<?=_('Prename')?>" value="<?=$user['prename']?>" /><br />
+		<label for="surname"><?=_('Surname')?>:</label>
+		<input name="surname" type="text" placeholder="<?=_('Surname')?>" value="<?=$user['surname']?>" /><br />
+		<label for="email"><?=_('E‑mail address')?>:</label>
+		<input type="email" name="email" placeholder="<?=_('E‑mail address')?>" value="<?=$user['email']?>" /><br />
 		<label for="password"><?=_('Password')?>:</label>
 		<input type="password" name="password" placeholder="<?=_('Password')?>" /><br />
 	</fieldset>
diff --git a/views/html/users/login.tpl b/views/html/users/login.tpl
index 36c13da4..932b4c20 100644
--- a/views/html/users/login.tpl
+++ b/views/html/users/login.tpl
@@ -1,12 +1,15 @@
 <h1><?=_('Users')?></h1>
-<h2><?=_('Login')?></h2>
 
+<h2><?=_('Login')?></h2>
+<?php if($failed) : ?>
+<p class="invalid"><?=_('Login failed')?>.</p>
+<?php endif ?>
 <form method="post" action="<?=$linker->link(array(), 2)?>">
 	<fieldset>
-		<label for="username"><?=_('Username')?></label>
-		<input name="username" type="text" placeholder="<?=_('Username')?>" value="<?=$username?>" /><br />
-		<label for="password"><?=_('Password')?></label>
-		<input name="password" type="password" placeholder="<?=_('Password')?>" /><br />
+		<label for="username"><?=_('Username')?>:</label>
+		<input name="username" type="text" placeholder="<?=_('Username')?>" value="<?=$username?>" required="required" /><br />
+		<label for="password"><?=_('Password')?>:</label>
+		<input name="password" type="password" placeholder="<?=_('Password')?>" required="required" /><br />
 	</fieldset>
 	<input type="submit" name="login" value="<?=_('Login')?>" />
 </form>
diff --git a/views/html/users/register.tpl b/views/html/users/register.tpl
new file mode 100644
index 00000000..5ba5671e
--- /dev/null
+++ b/views/html/users/register.tpl
@@ -0,0 +1,88 @@
+<h1><?=_('Users')?></h1>
+
+<h2><?=_('Registration')?></h2>
+<?php if(!empty($validation)) : ?>
+<ul>
+	<?php foreach($validation as $field => &$settings) : ?>
+	<?php if($settings !== true) : ?>
+	<li>
+		<ul>
+			<?php foreach($settings as $setting => $value) : ?>
+			<li>
+				<?php switch($field) {
+					case 'username':
+						switch($setting) {
+							case 'minlength': printf(_('Username is too short (min. %d chars)'), $value);
+							break;
+							case 'maxlength': printf(_('Username is too long (max. %d chars)'), $value);
+							break;
+							case 'regex': echo _('Username contains illegal characters');
+							break;
+							default: echo _('Username invalid');
+						}
+					break;
+					case 'prename':
+						switch($setting) {
+							case 'minlength': printf(_('Prename is too short (min. %d chars)'), $value);
+							break;
+							case 'maxlength': printf(_('Prename is too long (max. %d chars)'), $value);
+							break;
+							case 'regex': printf(_('Prename contains illegal characters'));
+							break;
+							default: echo _('Prename invalid');
+						}
+					break;
+					case 'surname':
+						switch($setting) {
+							case 'minlength': printf(_('Surname is too short (min. %d chars)'), $value);
+							break;
+							case 'maxlength': printf(_('Surname is too long (max. %d chars)'), $value);
+							break;
+							case 'regex': printf(_('Surname contains illegal characters'));
+							break;
+							default: echo _('Surname invalid');
+						}
+					break;
+					case 'email':
+						switch($setting) {
+							case 'regex': echo _('E‑mail address invalid');
+							break;
+							default: echo _('E‑mail address invalid');
+						}
+					break;
+					case 'password':
+						switch($setting) {
+							case 'minlength': printf(_('Password is too short (min. %d chars)'), $value);
+							break;
+							case 'maxlength': printf(_('Password is too long (max. %d chars)'), $value);
+							break;
+							default: echo _('Password invalid');
+						}
+					break;
+					default:
+						echo $exception->getMessage();
+					break;
+				} ?>
+			</li>
+			<?php endforeach ?>
+		</ul>
+	</li>
+	<?php endif ?>
+	<?php endforeach ?>
+</ul>
+<?php endif ?>
+<form method="post" action="<?=$linker->link(array(), 2)?>">
+	<fieldset>
+		<label for="username"><?=_('Username')?>:</label>
+		<input name="username" type="text" placeholder="<?=_('Username')?>" title="<?=_('Username')?>" required="required" maxlength="<?=$validationSettings['username']['maxlength']?>" value="<?=$username?>" <?=(array_key_exists('username', $validation)) ? 'class="invalid"' : null?> /><br />
+		<label for="prename"><?=_('Prename')?>:</label>
+		<input name="prename" type="text" placeholder="<?=_('Prename')?>" title="<?=_('Prename')?>" required="required" maxlength="<?=$validationSettings['prename']['maxlength']?>" value="<?=$prename?>" <?=(array_key_exists('prename', $validation)) ? 'class="invalid"' : null?> /><br />
+		<label for="surname"><?=_('Surname')?>:</label>
+		<input name="surname" type="text" placeholder="<?=_('Surname')?>" title="<?=_('Surname')?>" required="required" maxlength="<?=$validationSettings['surname']['maxlength']?>" value="<?=$surname?>" <?=(array_key_exists('surname', $validation)) ? 'class="invalid"' : null?> /><br />
+		<label for="email"><?=_('E‑mail address')?>:</label>
+		<input name="email" type="email" placeholder="<?=_('E‑mail address')?>" title="<?=_('E‑mail address')?>" required="required" value="<?=$email?>" <?=(array_key_exists('email', $validation)) ? 'class="invalid"' : null?> /><br />
+		<label for="password"><?=_('Password')?>:</label>
+		<input name="password" type="password" placeholder="<?=_('Password')?>" title="<?=_('Password')?>" required="required" maxlength="<?=$validationSettings['password']['maxlength']?>" <?=(array_key_exists('password', $validation)) ? 'class="invalid"' : null?> /><br />
+	</fieldset>
+	<input type="submit" name="register" value="<?=_('Register')?>" />
+</form>