The result of this paper would provide valuable insights into the state of research on this topic, including who is conducting research, where it is being conducted, what types of publications are being produced, and which themes are having the most impact on the field. The input data consists of journal articles archived by the Web of Science from 1991 to 2023, and the analysis is performed using SciMAT and VOS Viewer.

This paper includes a bibliometric analysis of the structure of global cities through examining the literature on global cities, including the document type, country/territory distribution, institution distribution, geographical distribution of authors, specially most active authors and their interests or research areas, relationships between principal authors and more relevant journals, and the research hot spots. They are characterized by their openness, diversity, and their ability to attract and retain talent. These cities are centers of innovation, finance, culture, and commerce, attracting businesses and entrepreneurs from all over the world.

Global cities play a significant role in world economy as they serve as key hubs of economic activity and trade.

In global city regions