Analysis: There are fears that Iran will expand its nuclear programme and abandon its self-imposed limits on the range of ballistic missiles if European countries maintain sanctions set to expire in October.
Analysis: Touring Azerbaijan and Cyprus, both countries with ongoing territorial disputes, may hint at Erdogan's foreign policy objectives as he enters his new five-year term as Turkey's leader.
Analysis: As regional normalisation with Assad accelerates, Syria's two most powerful non-regime groups are offering to resettle refugees as part of a bid for leverage and legitimacy.
In-depth: Iraq has one of the largest numbers of missing persons worldwide, with up to one million people having been forcibly disappeared in the past 50 years.
Analysis: The Ukraine war has led to a deepening strategic alliance between Iran and Russia, with Tehran supplying drones, missiles, and other military equipment to support Moscow's invasion.
Analysis: A full Turkish military withdrawal from Syria is unlikely for a number of reasons in the near future, analysts say, and an eventual withdrawal will likely prove immensely complicated.
Analysis: Ties between the two nations are at breaking point, with Tehran managing in three years to destroy three decades of friendly relations with Kyiv.