Turkey's Erdogan has said there is "no problem" with the EU and Germany after a rough-and-tumble year.
The German and Turkish foreign ministers took small steps on Saturday toward restoring friendlier relations after more than a year of tension between their countries, but they made clear that significant differences remain.
Turkish-European ties worsened amid mass arrests and firings by authorities following a July 2016 coup attempt. Relations deteriorated further after authorities in some countries - including local officials in Germany - prevented Turkish ministers from holding rallies with expatriate Turks to promote a referendum on expanding the president's powers.
A particular irritant in relations between Ankara and Berlin has been Turkey's jailing of several German or German-Turkish nationals, including journalist Deniz Yucel, over terror-related allegations. Seven are currently being held for what Berlin considers political reasons.
Gabriel said there has been some progress lately, pointing to the release of some other Germans. Germany has made clear that journalist Yucel's detention is an obstacle to improved ties. The correspondent for German daily Die Welt has been in custody for nearly 11 months.
Turkey needs EU after deterring relations with US due to Jerusalem and Iran sanction issues. Turkey cannot tolerate to be alone in international area. HOwever all remaining issues are very difficut to overcome since the differences are great and parties do not have tolerance to each other due to domestic politics as well as strategic policies.
