In a statement, Maas's office said European nations must engage with the region at a time of heightened concern following recent US naval movements in the Persian Gulf, according to the Associated Press.

"We cannot just call for dialogue; we must conduct it — particularly where differences appear unbridgeable and long-standing conflicts run deep. The danger that miscalculations, misunderstandings and provocations in a very tense region could lead to unpredictable consequences is clear there," his office said.

The German envoy was expected to meet with Iraq's president, prime minister and foreign minister to discuss regional security and bilateral relations and investment, said Iraqi Foreign Ministry’s spokesman Ahmed Mahjoub said.

Iraq is courting tens of billions of dollars in foreign investment to rebuild its infrastructure and boost gas, oil, and electricity production, after 17 years of war.

Reporter’s code: 50101