Antarctica is a continent; the Antarctic is a region on earth.

You can review the list of research stations here:

http://en.wikipedia.org/wiki/Research_stations_in_Antarctica#Research_stations

India has two research stations in Antarctica: the Maitri Station, located in East Antarctica, and the Bharati Station, located in West Antarctica. These stations serve as bases for scientific research, climate observation, and exploration activities in Antarctica.

You can review the site, below, to learn the names, nationalities and locations of the research stations in Antarctica.

There are no settlements in Antarctica, only research stations.

There are no cities in Antarctica.