The phrase "geographical boundaries" refers to the limits or borders that define a specific location or area on Earth. It refers to the physical, natural boundaries that separate one place from another. Full definition
Nowadays scientific research becomes more complicated and often reaches beyond geographical boundaries of individual countries. (science.sciencemag.org)
Modern businesses have no limitations and people work across geographical boundaries in the most efficient manner. (jetsongreen.com)
Their journey is restricted by geographical boundaries, but the idea transcends them. (treehugger.com)