ARCHAEOLOGICAL EXPLORATIONS IN APOLLONIA (Krastina Panaiotova – kpanayotova@abv.bg, Margarit Damyanov, Teodora Bogdanova) An area of 0.1 ha situated in the periphery of the necropolis of Apollonia was explored. An inhumation burial was discovered. The deceased was an adult who was laid in the burial pit with his head to the east. The grave goods included sherds from a lekythos and an amphora of 425 – 400 BC. A sector of a water-conduit was discovered, built inside a trench, 60 cm wide and 40 cm deep. The water-conduit consisted of terracotta pipes, 78 – 80 cm long and 16 cm in diameter. The joints between the pipes were plastered with tar and sealed with lead clamps. The total length revealed of the water-conduit was 26.10 m. It belonged to the water-conduit that crossed the necropolis of Apollonia from the northeast to the southwest. It functioned during the end of the 5th and the beginning of the 4th centuries BC.