The Barak River Valley is a significant geographical feature located in the eastern part of Manipur. It is a fertile valley that is home to a number of ethnic groups, including the Meitei, Kuki, and Naga. The valley is also home to a number of important historical and cultural sites, including the Imphal Palace and the Kangla Fort.
The Barak River is the largest river in Manipur and is a major source of irrigation and drinking water for the region. The river is also a popular destination for fishing and boating.
The Barak River Valley is a beautiful and diverse region with a rich history and culture. It is a popular tourist destination and is home to a number of important historical and cultural sites.
The other options are incorrect because the Barak River Valley is not located in the southern, northern, or western parts of Manipur.