The 15th International Conference “Micro- and Nanoelectronics—2023” (ICMNE-2023) including the extended Session “Quantum Informatics” has been held on October 2-6, 2023 at Zvenigorod, Moscow Region, Russia in a hybrid online/offline format. Having started, at the suggestion of Academician Valiev, in 1994 as the All-Russian Conference “Microelectronics” with the participation of foreign scientists, it gained popularity among specialists in this field, and by 1999 it was transformed into an International Conference, held in English, “International Conference on Micro- and Nanoelectronics” (ICMNE) which is a biannual event covering the main fields of micro- and nanoelectronic technologies and device physics. Web-resource of ICMNE—2023: https://icmne.ftian.ru/