According to Ukrinform, the Main Intelligence Directorate of the Ministry of Defense of Ukraine said this in a Facebook post.
"Sixteen Ukrainian service members, including two officers and 14 soldiers, are returning home. One civilian has also been released," the statement said.
Five of those freed are seriously injured and need immediate treatment.
The coordination headquarters continues to work on the return of all captured Ukrainians.
On June 27, Ukrainian human rights activists presented the "Search. Captivity" project to search for Ukrainian prisoners of war and provide them with legal support.