Boundary delimitation (BD) is essential for determining and identifying boundaries between different regions. To thoroughly understand boundary delimitation (BD) and the current research focus, this research uses a bibliometric analysis method to evaluate the most relevant themes related to BD from 1972 to 2022. This study uses the keyword "boundary delimitation" as input and relies on the Scopus database as the ideal data source for this study. To analyze the data, VOSviewer software was used to visualize a network of authors, countries, journals, and keywords. On June 8, 2023, an analysis of 611 documents from various types of scientific papers was carried out. The research findings show that in the last 24 years, there has been a significant increase in the number of publications discussing boundary delimitation (BD). The United States is a leader in BD research, with the world's most significant contribution to publications. The Journal of the Geography of Exclusion is one of the leading journals in BD publications. Keyword analysis shows that studies of BD in the last five decades have focused on topics such as maritime boundaries, the law of the sea, territory purchasing methodologies, Eurasia, and China.