Start by naming any country that France borders. Then name any country that borders any of those countries. Then keep going until there are no more countries left to name.
Really? You should know that the blank line corresponds to the length of the word, and the city is C__'s Bazar, so it definitely can't be 'Chittagong'!
lol tried Vadodara, Varanasi, Vishakhapatnam as I only focused on the 'cities in India beginning with V' part of the clue rather than thinking of the ubitquous Portuguese explorer...