Eastern South Asia region is bounded by Nepal, Sikkim, and Bhutan in the north, Bangladesh in the east, the Indian states of Uttar Pradesh and Chhattisgarh on the west, and the Indian state of Andhra Pradesh in the south. It is connected to the Seven Sister States of Northeast India by the narrow Siliguri Corridor. West Bengal is on the eastern bottleneck of India, stretching from the Himalayas in the north, to the Bay of Bengal in the south. The region lies in the humid-subtropical zone. The landlocked region of Northeast India includes the states of Assam, Arunachal Pradesh, Bihar, Mizoram, Manipur, Meghalaya,
Eastern Himalayan broadleaf forests Eastern Himalayan broadleaf forests The Eastern Himalayan broadleaf forests is a temperate broadleaf forest ecoregion found in the middle elevations of the eastern Himalayas, including parts of Nepal, India, and Bhutan. These forests have an outstanding richness of wildlife. This ecoregion covers an area of and constitutes a band of temperate broadleaf forests lying on steep mountain slopes of the Himalayas between approximately . It extends from the Kali Gandaki River in Nepal across Sikkim and West Bengal in India, Bhutan, and the Indian state of Arunachal Pradesh. The temperate broadleaf forests transition into the Himalayan subtropical pine forests and