The article analyzes the state of castle tourism development in the Podillia-Bukovyna tourist cluster, its role and significance for the development of tourism in the region. The logistical potential of Khotyn and Kamianets-Podilskyi castles has been calculated. The main problems that hinder the sustainable development of castle tourism and the main objects of castle tourism in the tourism cluster and the features of their preservation have been identified.

The land and town planning legislation concerning the planning of land use development within the united territorial communities (UTC) is considered. It is found that legislative norms need to be finalized. The necessity of updating the existing land management documentation developed prior to the adoption of the Law of Ukraine "On Land Management" and changes in the structure of urban development in connection with the adoption of the Law of Ukraine "On Regulation of Urban Development" was proved as they do not ensure the integrity of the planning process within the territories of these communities through their institutional incapacity (proved by the example of the Palan Unified Territorial Community of the Uman district of the Cherkasy region). The priority of land management and urban planning documents as the most influential tools in planning the development of land use systems in UTC is scientifically grounded and their interdependence established.

Model of system that detects common designer errors at the design entry stage. System is based on programmable rules and can be used in pair with any modern HDL compiler.