Simplify the following text for a Grade 5 native English-speaking person.
Original: Wakhan or `` the Wakhan '' ( also spelt Vakhan ; Persian , and , ) is a very mountainous and rugged part of the Pamir and Karakoram regions of Afghanistan .
Simplified: Wakhan or `` the Wakhan '' ( also spelt Vakhan ; Persian and Ù Ø Ø Ø Ù , is a region of Afghanistan . It is part of the Pamir Mountains and the Karakoram Range .