ARCHAEOLOGICAL EXPLORATIONS IN MESAMBRIA – MESEMVRIA (Todor Marvakov – tmarvakov@abv.bg) The site was situated on the southern coast of the peninsula and covered an area of c. 0.1 ha. Foundations of a building of the 18th century, which existed until the beginning of the 20th century, were discovered in sondage No. 1. The remains of an oven with two chambers were discovered and a Latin imitation of a Byzantine coin of the 13th century was found inside the oven. Two mediaeval pits, containing pottery and coins, the latest one minted by the Bulgarian King Ivan Alexander (1331 – 1371), were explored. The oven and the pits dated to 13th – 14th centuries. A coin of Philip of Macedon was found in the layer below them. A room with foundations dug into the bedrock, 2.40 m by 2.40 m in size, was discovered. Its walls were constructed of dry-stone masonry. Sherds from at least four Greek amphorae, 10 terracotta loom weights and a lekythos were found inside the room. The room dated to the first half of the 5th century BC. A drain of the 18th – 19th centuries was discovered in sondage No. 2. A wall of uneven stones bonded with mud was discovered below the drain. Sherds from amphorae and building ceramics of the end of the 13th – first half of the 14th centuries were found there.