Final answer:
The fastest growth in the bottled water industry is likely in regions with rapid urbanization such as India or the Middle East; however, without specific data, an exact answer cannot be determined.
Step-by-step explanation:
The fastest growth in the bottled water industry is currently being registered in regions with rapid urbanization and growing populations. Looking at the provided information and global market trends, it's evident that countries like China, India, the Middle East, and West Africa are experiencing significant urban growth. Considering the expansive list, the closest options provided in the question are India and the Middle East.
However, without specific data on the growth rates of the bottled water industry in these regions within the context of the question, it is challenging to decisively determine which area is seeing the fastest growth. Yet, based on the ongoing development and consequent demand in India and the Middle East, one of these would likely be the answer.