France sends the navy ship the Lafayette with two Rafale-type fighter jets to the eastern Mediterranean.
The Ministry of Defense reported that this is part of plans to expand the military presence in that area.
Tensions between Greece and Turkey are mounting there as a result of Turkish projects to search for oil and gas under the seabed.
Turkey claims large areas of the seabed as an exclusive part of Turkey’s continental shelf.
Greece states that Turkey is entering waters that are either Greek or should be included in the Greek sphere of influence.
President Macron earlier this week called on Turkey to stop looking for oil or gas in controversial waters.
On Friday, the foreign ministers of the European Union will meet to discuss, among other things, the tensions with Turkey.