[r0muald]

Well, it would still be in the Indian Ocean, for a start.

However, if you look at the list of .cX TLDs, all possible obvious results are already taken by (alguably) bigger states: Switzerland, Canada, Congo, Colombia and .. well .cs is complicated.

That still leaves room for solutions like .ic (Islands of Chagos), in a similar vein to .im for the Isle of Man, and you could have cool domain hacks like fanf.ic or grabthem.ic.

Or, since Diego Garcia is the largest island, .dg, and cash out from D&G.