To draw a circle in HTML page, use SVG or canvas. You can also draw it using CSS, with the border-radius property.

Example
You can try to run the following code to learn how to draw a circle in HTML
<!DOCTYPE html>
<html>
<head>
<style>
#circle {
width: 50px;
height: 50px;
-webkit-border-radius: 25px;
-moz-border-radius: 25px;
border-radius: 25px;
background: blue;
}
</style>
<head>
<body>
<div id="circle"></div>
</body>
</html>