Hello,

Geoinformatics is a branch using the science in order to address various issues on earth and its geography. There are many branches of Geoinformatics and it depends upon your choice in which to go and all. So the basis will also vary.  Still I would suggest you to go study some geography of your area, cartography, navigation like do some certificate courses through online platforms. And do check out the link below

https://www.careers360.com/courses/geo-informatics-course