Overview of Nagaland's Geography
Nagaland is a state located in the northeastern region of India. It is known for its rich cultural heritage, diverse ethnic groups, and scenic landscapes. One of the key aspects of Nagaland's geography is its international border.

International Boundary
- Nagaland shares its international border with **Myanmar** to the east.
- The border with Myanmar is approximately **215 kilometers** long.
- This border serves as a significant point of interaction between the people of Nagaland and various ethnic groups within Myanmar.

Importance of the Border
- The border facilitates **trade** and **cultural exchange** between the two regions.
- It influences the demographics of Nagaland, contributing to its unique **cultural mosaic**.

Other Bordering Regions
- While Nagaland shares borders with several Indian states, it does not share any international borders with Nepal, Bhutan, or China.
- The neighboring Indian states include **Assam** to the west and **Manipur** to the south.

Conclusion
Understanding the geographical context of Nagaland is vital for appreciating its cultural and economic ties with neighboring countries. The correct answer to the question regarding which country Nagaland shares its international border with is indeed **Myanmar (option B)**. This relationship highlights the significance of cross-border interactions in shaping the region's identity and socio-economic landscape.