Geography is study of man in relation to his environment.
Geography is studied all over the world and it comprise of physical geography, human geography and practical geography

Geography is a hard subject given that you will have to understand a lot of concepts related to all branches of geography and those from other subjects. For example to understand the composition of rocks and process of oxidation in the weathering process you will to have knowledge of chemistry.
Geography is interdisciplinary subject cutting across subjects such as physics, chemistry, biology, sociology and history
To sum up, I can say that geography is great subject and you will enjoy studying it as long as you put some effort in class.