<p>Provided is a portable electronic apparatus which can keep its usability and beauty even if a strap is attached thereto. The portable electronic apparatus includes an exterior member which houses a main body and has an opening. A part of the main body is exposed through the opening. The apparatus also includes a lid which is attached to the exterior member so as to cover or uncover the opening; and a strap attaching part provided on an area of the part of the main body. The area is covered by the lid, and the strap with a small loop is attachable to the strap attaching part.</p>