What four mainland southern asian countries include territory in the himalayas?

The four South Asian countries that include territory in the Himalayan Mountain Range are:

India; the territory that includes the Himalayas is in the northernmost part of the country.

Pakistan; the territory that includes the Himalayas is in the northeastern part of the country.

Nepal; the country is lying on the Himalayas, and in here it is the highest peak of all, Mount Everest.

Bhutan; this small landlocked country, like Nepal, is totally lying on the Himalayas.

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