What is the region conjoining Pakistan, India, and China with unknown leadership called?

The region conjoining Pakistan, India, and China with unknown leadership is called Kashmir. Kashmir has been a contentious territory located in the Himalayan region, disputed between India and Pakistan since their independence in 1947. The region is divided into three parts: Pakistan-administered Kashmir, Indian-administered Kashmir, and the region that is controlled by China. The leadership situation in Kashmir remains unclear as both India and Pakistan claim sovereignty over the entire region, while China controls a small portion. The dispute has led to ongoing conflicts and tensions between the three countries, making Kashmir a politically volatile and greatly contested area.