Question

the basis of geo demographic segmentation & based
upon​

Answer 1

People in different parts of the world, display different characteristics. A marketing strategy created by dividing the target market into segments on the basis of factors such as economics, food habits, clothing habits, languages, traditions and many other traits is known as geographic segmentation.

if you don't understand the  definition i will give you an example:-

people living colder continents such as Europe are interested in warm clothing, heating devices etc., almost throughout the year, whereas, people living in hotter continents such as Australia, are interested in air conditions, beach vacations, breezy outfits and cold drinks.