Teressa is one of the Nicobar Islands

Nicobar Islands

The Nicobar Islands are an archipelagic island chain in the eastern Indian Ocean...

, India. Austria

Austria

Austria , officially the Republic of Austria , is a landlocked country of roughly 8.4 million people in Central Europe. It is bordered by the Czech Republic and Germany to the north, Slovakia and Hungary to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the...

 (1778-1784) and Denmark

Denmark

Denmark is a Scandinavian country in Northern Europe. The countries of Denmark and Greenland, as well as the Faroe Islands, constitute the Kingdom of Denmark . It is the southernmost of the Nordic countries, southwest of Sweden and south of Norway, and bordered to the south by Germany. Denmark...

 (1754/56-1868) claimed Nicobar Islands as colony. Teressa is named after the Austrian Arch-duchess Maria Theresia.

Teressa lies west of the neighboring island of Camorta

Camorta

Camorta is one of the Nicobar Islands, India. Its area is 188 km²....

 and northwest of Katchal

Katchal

Katchal is one of the Nicobar Islands, India. Its area is .It is approximately away from mainland and south to capital Port Blair....

. The smaller island known as Chowra is to the north and Bompoka lies to the east. The northern portion of the island has elevations reaching 250 meters. The Indian National Census of 2001 showed the island to have a population of 2043, and the largest settlements were: Bengali, Kalasi, Minyuk und Aloorang[2]. The island has a surface area of 101.26 km².

Extensive damage to the island's flora and fauna occurred following the 2004 Indian Ocean earthquake and tsunami.