Ankara and Damascus signed a protocol on Tuesday to become sister cities.
Ankara Mayor Melih Gokcek and Governor of Damascus Bishr Al-Sabban gave a news conference following the signing ceremony.
Gokcek said this was a historic day for Ankara and noted that Damascus, the biggest city of Syria, was an important center for the Turkish and Islamic world. He said Damascus affected the whole world with its architectural structure.
Gokcek said many historical buildings constructed in the period of the Ottoman Empire was a sample of common history and historical heritage. "We decided to announce Ankara and Damascus as sister cities to boost fraternity ties and cooperation opportunities among the people of Turkey and Syria," he said.
"Sister city protocol will optimize relations of Ankara with Damascus," Gokcek said.
Bishr Al-Sabban said relations between Turkey and Syria should be example to the other countries, noting that the local administrations were endeavoring to improve relations.
Al-Sabban said Turkey and Syria had similar problems with respect to urban services, "Ankara has overcome some problems. We want to make use of Ankara's experiences."
Al-Sabban said there were many real estates in Damascus belonging to Turkish citizens and that they were carrying out works on the matter.
An explosion of unknown origin rocked the Istanbul metro, causing injuries and bringing the transportation system in Turkey's largest city to a halt
Turkish president says tension between two countries is bad for both
The suspects have been caught as they attempted to cross illegally into Syria from Elbeyli town in south-central Kilis province, Turkish military says
Turkish dailies mostly devoted their front pages to Turkish president's response to oil claim by Moscow
PM Ahmet Davutoglu calls on Russia to open military and diplomatic communications channels
President challenges Russian counterpart to resign if claims Turkey buys oil from ISIL are not proved
Vote of confidence for Justice and Development Party (AKP) administration
NATO chief says Turkey has right to protect territorial integrity, calls on Ankara and Moscow to communicate
The separate clashes have taken place in southeastern Turkey's Mardin and Sirnak provinces
PM Davutoglu says Turkey does not intend to escalate situation post downing of Russian aircraft
Without resorting to the niceties of diplomatic language, Tsipras blasted Turkey's shooting down of the Russian plane, Davutoglu's answer was not long to wait
Turkish dailies cover Monday EU-Turkey summit in Brussels and funeral service of slain lawyer Elci
Ankara promises to regularize refugee flow to Europe 'as much as possible'; EU offers money and visa-free travel for Turkish citizens
Prime Minister Ahmet Davutoglu says EU and Turkey will 'share destiny of our contintent' at summit in Brussels
Turkey is set to win a deal for the opening in December of a new chapter in Turkey's stalled accession talks for the 28-nation bloc