Around 200 delegates, including a range of ethnic groups populating the area, converged in the town of Rmeilan in the run-up to the announcement.
The move was opposed by all major stakeholders as undermining Syrian territorial integrity amid resumed proximity talks between government and opposition delegates in Geneva.
"Syrian Kurds are of course, interested. At a time when there are military operations, it is necessary that the region has every opportunity to ensure its safety and security," Patiev told RIA Novosti.
The elected heads of the newly self-declared federal region in Kurdish-held northern Syria may visit Russia sometime in the future, a member of the Kurdistan National Congress said Friday.
"The visit is possible, the dates are not yet clear. But it is quite likely," Farhat Patiev told RIA Novosti.