The following outline is provided as an overview of and topical guide to geography:

Geography – science that studies the lands, features, inhabitants, and phenomena of Earth.

Etymology of "geography": from Greek γεωγραφία - geographia, lit. "earth describe-write"

As "the bridge between the human and physical sciences," geography is divided into two main branches:

Other branches include:

All the branches are further described below...

Regional geography – study of world regions. Attention is paid to unique characteristics of a particular region such as its natural elements, human elements, and regionalization which covers the techniques of delineating space into regions. Regional geography breaks down into the study of specific regions.

Region – an area, defined by physical characteristics, human characteristics, or functional characteristics. The term is used in various ways among the different branches of geography. A region can be seen as a collection of smaller units, such as a country and its political divisions, or as one part of a larger whole, as in a country on a continent.