The question asks to identify the country situated to the east of Arunachal Pradesh, a state located in Northeast India.

Arunachal Pradesh Bordering Nations

Arunachal Pradesh shares its borders with several countries and Indian states. Understanding its geographical location is key to answering this question correctly.

• West: Bhutan
• North and Northeast: China (Tibet Autonomous Region)
• East: Myanmar
• South: Assam and Nagaland (Indian States)

Identifying the Eastern Neighbor

Based on the geographical positioning of Arunachal Pradesh:

• Bhutan is located to the west.
• China is situated to the north and northeast.
• Myanmar is the country located to the east.

Therefore, Myanmar lies to the east of Arunachal Pradesh.