EXPLORATIONS IN DUROSTORUM – DRASTAR (Georgi Atanasov – geoatal@abv.bg, Nikolai Russev, Denislav Denev, Yoto Yotov) Sector West of the southern fortification wall was explored. Tower No. 1A, with an ellipsoid layout, 9.80 m by 6.80 m in size and built of ashlars bonded with mortar, was explored. Probably, the tower flanked the central fortification gate of Durostorum – Drastar during the 6th – 11th centuries. The fortification wall is 3.90 m wide. It makes a turn to the north – northeast towards tower No. 2. The pillar, already documented in 1986, a pavement of slabs and three terracotta water-conduits were discovered. Triangle tower No. 4 was discovered in Sector East. Only its foundation was preserved. The eastern and the western sides of the tower are 4.40 m long and its width to the north is 4.57 m. Pentagonal tower No. 5 is situated to the east, at the distance of 11.86 m. The outer face of the fortification wall consists of three courses of ashlars. Another course of smaller ashlars and courses of bricks were situated above them. Christian graves Nos. 5, 6, 7 and 8 of the 13th – 15th centuries were discovered near tower No. 5. Triangle tower No. 6 is situated at 12.36 m from tower No. 5. The fortification wall between both towers is 3.57 – 3.64 m wide. It was built of three courses of ashlars bonded with mortar and courses of bricks above them. A coin hoard of 14 Byzantine folles of class A and B was found. Seventy-four coins were found around the pentagonal tower minted by Caracalla, Claudius Gothicus, Aurelian, Constantine I, Constantine II, Constantius II, Constans I, Valens, Valentinian I, Arcadius, Marcian, Justinian I, folles of classes A–1 (end of the 10th century), A–2 (AD 976 – 1035), B (AD 1035 – 1042), C and D, Latin imitations of the 13th century, Alexios III Angelos, Bulgarian King Ivan Sratsimir (1356 – 1396), Despot of Epirus John II Orsini and Sultan Mustafa III.