Political scientist Jens Bastian from the Centre for Applied Turkey Studies (CATS) says that the relationship has "many different layers."
On the subject of migration, Scholz will certainly address the question of how to return rejected Turkish asylum seekers to Turkey.
Turkey is the third most common country of origin of asylum seekers in Germany, behind Syria and Afghanistan.
Most of the rejected asylum seekers from Turkey belong to the Kurdish minority, says political scientist Hürcan Asli Aksoy.
In 2016, the EU reached an agreement with Turkey that asylum seekers who entered Greece irregularly via Turkey could be returned to Turkey.

Germany's Olaf Scholz holds difficult talks in Turkey – DW – 10