Część 1 tomu XXIII zawiera raporty z prac Centrum Archeologii Śródziemnomorskiej UW (sezon 2011). Badania wykopaliskowe i prace konserwatorskie prowadzono na stanowiskach w Egipcie (Aleksandria, Marea, Marina el-Alamein, Tell el-Retaba, Tell el-Farcha, Tell el-Murra, Sakkara, Naklun, Deir el-Bahari, Dachla i Berenike), w Sudanie (Stara Dongola, Banganarti i el-Zuma), na Cyprze (Nea Paphos), w Libanie (Bejrut) i w Syrii (Palmyra) oraz w regionie Al-Subiyah w Kuwejcie.
W części Studies dostępne są opracowania naczyń ceramicznych z Egiptu i Iraku, marmurowych z Libanu oraz artykuł na temat hellenistycznych fortyfikacji w ptolemejskim porcie Berenike nad Morzem Czerwonym. This part, XXIII/1 contains 30 papers reporting on the work of Polish archaeological expeditions cooperating with the Polish Centre of Mediterranean Archaeology, University of Warsaw in the season of 2011.
The articles detail the results of excavations, conservation activities and archaeological surveys on 11 sites in Egypt (Alexandria, Marea, Marina el-Alamein, Tell el-Retaba, Tell el-Farha, Tell el-Murra, Saqqara, Naqlun, Deir el-Bahari, Dakhla and Berenike), three sites in Sudan (Old Dongola, Banganarti and el-Zuma) and one each on Cyprus (Nea Paphos), Lebanon (Beirut) and Syria (Palmyra), as well as in the Al-Subiyah region in Kuwait. Among the five articles in the Studies section, four are devoted to the analysis of pottery (from Tell Arbid in Syria, Naqlun in Egypt and the Bijan Island in Iraq) and marble vessels (from Jiyeh in Labanon).