All the branches of physical geography, have connection with natural sciences.• The traditional physical geography is linked with geology, meteorology, hydrology and pedology, and thus, geomorphology, climatology, oceanography and soil geography respectively have very close link with the natural sciences as these derive their data from these sciences.• Bio-Geography is closely related to botany, zoology as well as ecology as human beings are located in different locational niche.• The cartographic and quantitative techniques require sufficient proficiency in mathematics, statistics and\xa0econometrics.