Turkish diplomats have sometimes referred to themselves as the region's "firemen," hustling around the region putting out brushfires before they become full-on conflagrations. A lot of this has been done through various mediation efforts (not all successful) that Ankara has been initiating in various places.
The newest Turkish mediation effort appears to be between neighbors Azerbaijan and Iran, who don't see eye-to-eye on a host of issues. The Hurriyet Daily News has more on an upcoming meeting of the three countries' foreign ministers Turkey is convening in northern Iran.
While Turkey's relations with Iran have been rapidly improving in recent years, it might be worth nothing that Turkish-Azeri relations have been less than smooth since Ankara initiated its now frozen rapprochement with Armenia in 2009.
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