"We condemn the delusional statements, which are completely incompatible with historical facts, made by Greek authorities on the pretext of the anniversary of unfounded 'Pontic' allegations," the Turkish foreign ministry says.

Speaking alongside Egyptian President Abdel Fattah el Sisi, Aoun welcomed the lifting of US sanctions on Syria and emphasised Lebanon’s support for Syrian unity.

The dispute dates all the way back to 1900, when then colonial powers France and Spain signed a treaty in Paris. But Gabon argued that a later treaty, the 1974 Bata Convention, then fixed the islands' sovereignty in their favour.