Greater Netherlands' () is a term used to describe parts or all of the Low Countries that certain political groups aspire to unite into a single polity.

However, the popular perception of being a single polity varies greatly, depending on subject matter, locality and personal background.

In the early 7th century, Muhammad united the various tribes of the peninsula and created a single Islamic religious polity.

Even after that community split up into many states, the ideal of a single Islamic polity persisted.

The present Lesotho, then called Basutoland, emerged as a single polity under king Moshoeshoe I in 1822.

By the time of his death, most of the Arabian Peninsula had converted to Islam, and he had united Arabia into a single Muslim religious polity.

In 1990, formation of the Republic of Yemen saw the majority of Greater Yemen ruled as a single polity for the first time in nearly two centuries.

Oral histories add further details about the people: The Sao were made up of several patrilineal clans who were united into a single polity with one language, race, and religion.

On the assumption that Funan was a single unified polity, scholars have advanced various linguistic arguments about the location of its "capital."

There was never a single polity that united these people.