...Korten is located just 10km from the town of Nova Zagora, 40km from Sliven town, and 35km form the ...Korten is located just 10km from the town of Nova Zagora, 40km from Sliven town, and 35km form the ...from the town of NOVA ZAGORA, 40km from Sliven town, and 35km form the town of STARA ZAGORA. ...from the town of NOVA ZAGORA, 40km from Sliven town, and 35km form the town of STARA ZAGORA.