Irredentist movement in north west frontier of Pakistan based on cltural affiliations with the neighboring country?

The country Bangladesh is also known as East Pakistan and is surrounded by India at its north, west and southern sides.

Well Afghanistan shares a northwestern border with Pakistan. Also, Tajikistan and China are also north of Pakistan.

Afghanistan

China borders the north-eastern part of Pakistan and Afghanistan runs along its western and northern edge.

Biggest nieghbouring country to Pakistan is China and the country with longest border is Afghanistan