"From Aceh in the northwest to Torres Strait in the east in 5000 miles, almost as far as from London to Baghdad. The archipelago has 14000 Islands, some mere equatorial rocks, others some of the largest in the world." This description best fits:
 

Consider the geographical details given in the following figure:

The point marked by A in the above figure indicates a country in:

Considered the map given below: 

Of the four shaded areas in the map, which is characterized by hot and dry summers, mild and moist winters and seasonal reversal of winds is the areas labeled?