When using and comparing land cadastral data in the framework of different land administration systems at the international level, it must be acknowledged that there are common known facts and definitions relating to the registration of land or real property With deeper study it is soon evident that the historic development of the country or even region, together with the legal framework in the field of real property registration and management strongly influence the basic functions of land cadastre, and for this reason there is often missing knowledge on the unique features of land cadastres in the particular country or region. The purpose of this article is neither the comparison of land cadastral systems regarding the level of adoption of information technology, nor a demonstration of approaches for maintenance of land cadastre. The main focus is on the influence of information technology on the development of graphical subsystems of land cadastres in Austria, Denmark, Sweden and Slovenia. The establishment and improvement of digital cadastral maps are emphasized. The final remarks are meant as the comparison of Slovenian system of land cadastre layer with the experiences in the selected countries.