Andaman and Nicobar Islands is a group of islands located in the Bay of Bengal, towards the southeast of the Indian mainland. It is a Union Territory of India and comprises of two island groups - the Andaman Islands and the Nicobar Islands.

Size and Location:

- The Andaman and Nicobar Islands are situated at a distance of about 1,200 km from the east coast of India.
- It is spread over an area of about 8,249 sq. km, with the Andaman Islands covering an area of about 6,408 sq. km and the Nicobar Islands covering an area of about 1,841 sq. km.
- The total coastline of the islands is about 1,962 km.

Geography:

- The islands are of volcanic origin and are home to dense tropical forests.
- The islands are also known for their exotic wildlife, including the Jarawa tribe, who are one of the last surviving pre-neolithic tribes in the world.
- The islands are also home to a number of beaches, such as Radhanagar Beach, which has been named as one of the best beaches in Asia.

Importance:

- The islands have strategic importance due to their location, and are home to a number of military bases and installations.
- The islands are also an important tourist destination, attracting visitors from all over the world.

Environmental Issues:

- The islands are facing a number of environmental issues, including deforestation, coral bleaching and pollution.
- The government has taken steps to address these issues, including the implementation of a ban on plastic bags and the establishment of a marine protected area.

In conclusion, the Andaman and Nicobar Islands are a unique and beautiful destination, with a rich history and culture, and an important strategic location. While the islands face a number of environmental challenges, steps are being taken to address these issues and preserve the islands for future generations.

The Andaman and Nicobar Islands, a union territory of India comprising 572 islands of which 37 are inhabited, are a group of islands at the juncture of the Bay of Bengal and the Andaman Sea. The territory is about 150 km (93 mi) north of Aceh in Indonesia and separated from Thailand and Myanmar by the Andaman Sea.