contiguity

States can have additional rules, such as contiguity of districts or that cities or counties be kept intact.
How next-gen computer generated maps detect partisan gerrymandering|Sujata Gupta|September 7, 2020|Science News
The concerns over contiguity have been held up in particular as almost exactly backwards.
A Bogus Defense Of E1 Construction|Ali Gharib|December 4, 2012|DAILY BEAST
One can't, with a straight face, call this territorial "contiguity," especially since that road would be easy for Israel to close.
A Bogus Defense Of E1 Construction|Ali Gharib|December 4, 2012|DAILY BEAST
And thus destroy territorial contiguity for any Palestinian state.
Why Blast When You Can—And Do—Build?|Emily L. Hauser|November 30, 2012|DAILY BEAST

Further, it would lack territorial contiguity, even in the West Bank.
Palestine Good Enough|Kathleen Peratis|May 21, 2012|DAILY BEAST
They take place whether the organs be tied or cut through, provided there exists a simple contiguity between the divided ends.
The Book of Curiosities|I. Platts
The principal cause of them is the contiguity of this river to the Blue Mountains.
Statistical, Historical and Political Description of the Colony of New South Wales and its Dependent Settlements in Van Diemen's Land|William Charles Wentworth
He dwells on the inferiority of this shot, the smallness of the skin, the close contiguity of its owner.
Somehow Good|William de Morgan
There are two general classes of association of ideas in memory, viz.: Association of contiguity, and logical association.
Your Mind and How to Use It|William Walker Atkinson
Neither can I see the force of his argument derived from the contiguity of the grave-yard.
From Farm House to the White House|William M. Thayer

Medical definitions for contiguity

contiguity

[ kŏn′tĭ-gyōō′ĭ-tē ]

The state of being contiguous.