HTML Form Menu Control Example

<!DOCTYPE html>
<html>
	<head>
		<title>HTML Form Menu Control Example</title>
	</head>
	<body>
		<h3>HTML Form Menu Control Example</h3>
		Please select your favorite City from the dropdown list.
		<form action='/form-submit/'>
			<label for="city">Choose a City:</label>
			<select name="city" id="city">
				<optgroup label="USA">
					<option value="new-york">New York</option>
					<option value="california">California</option>
					<option value="washington">Washington</option>
				</optgroup>
				<optgroup label="UK">
					<option value="london">London</option>
					<option value="manchester">Manchester</option>
					<option value="birmingham">Birmigham</option>
				</optgroup>
			</select>
			<br>
			<input type="submit" value="Submit">
		</form>
	</body>
</html>