What is A nation that is dispersed across a region and is predominant in two or more states is called a?

A nation that is dispersed across a region and is predominant in two or more states is called a "multistate nation." This term refers to a group of people who share a common identity, culture, or ethnicity and inhabit multiple countries, often resulting in cross-border ties and influences. Examples include the Kurds, who live in parts of Turkey, Iraq, Iran, and Syria.