The elevation map of Tunisia consists of various terrain types ranging from coastal plains to mountains and plateaus.
Tunisia's northern region contains the Dorsal mountain range which runs from the Algerian border to the Cape Bon peninsula.
The central region of Tunisia is predominantly made up of plateaus with elevations ranging from 300 to 600 meters above sea level.
The southern region of Tunisia is mainly comprised of the Sahara desert with elevations that vary from 0 to 300 meters above sea level.
The highest point in Tunisia is Jebel Chaambi, it stands at an elevation of 1,544 meters.
The lowest point in Tunisia is Chott El Djerid, a salt lake situated in the southern part of the country which stands at an elevation of -17 meters below sea level.
See here a list of 10 cities in Tunisia and their elevation above sea level.