...Vezenkovo is located on 20km from the town of Kotel, 45km from the city of SLIVEN, and 85km ...Vezenkovo is located on 20km from the town of Kotel, 45km from the city of SLIVEN, and 85km ...the town of KOTEL, 45km from the city of Sliven, and 85km from the seaside town of BOURGAS. ...the town of KOTEL, 45km from the city of Sliven, and 85km from the seaside town of BOURGAS.