The location at 10 degrees south latitude and 75 degrees east longitude is in the Indian Ocean.
There is no city there. It is off the south east coast of South Africa in the Indian Ocean.
Arabian ocean
The Indian Ocean.
90 degrees south latitude is the precise location of the South Pole. The South Pole is in Antarctica, a continent of quite some size. It contains no oceans. The South Atlantic runs from the Equator to about 77 degrees south and from 20 degrees east to 65 degrees west
That location is in the Indian Ocean, off the east coast of Tanzania.
This point is in the Indian Ocean, about 800 miles east of Mauritius
60°S 60°E is in the south-centre of the Indian Ocean. It is 500km off the coast of Antarctica.
There is no city at that location, it is on the South Pacific Ocean about 600 miles due East of New Zeland.
INDIAN OCEAN
The Pacific Ocean, or a part of it, between Suva and Vanuatu
These coordinates are in the Indian ocean, about 120 miles east of the city of Durban, South Africa.