The Free Three of them are just north of Kiev right in the area of the great push south from the border to besiege the capital and ostensibly demilitarize and de-natzify Ukraine. see maps. The fourth appears to be right on the border with Crimea. Its an area the Russians might just hold onto as its ethnic Russian and closed to the Crimean water supply canal which has been cut off by Ukraine for the last 8 years.
Who knew? And add HOLY SHIT!