Some of them are unavoidable such as the volcanic cones in the Auckland isthmus.
From the books.scoop.co.nz
We've criss-crossed the isthmus, with strip after strip of tarmac in his honour.
From the nzherald.co.nz
Madison is a lovely midsize city located on an isthmus between two large lakes.
From the dispatch.com
She envisions the isthmus as an active park with plays, activities and vendors.
From the thenewstribune.com
A bridge, or cut edge or isthmus, is an edge whose removal disconnects a graph.
From the en.wikipedia.org
It is the eastern terminus of the Corinth Canal, which cuts across the isthmus.
From the en.wikipedia.org
Before the Central American isthmus was raised, the region had been underwater.
From the en.wikipedia.org
The demarcation between Asia and Africa is the isthmus of Suez and the Red Sea.
From the en.wikipedia.org
The Cape is a small, rocky peninsula connected to the mainland by a sandy isthmus.
From the en.wikipedia.org
More examples
A relatively narrow strip of land (with water on both sides) connecting two larger land areas
A cord-like tissue connecting two larger parts of an anatomical structure
Isthmus is an alternative weekly newspaper in Madison, Wisconsin. It was founded in 1976, and has built a reputation for authoritative writing on news, arts and features. ...
Tissue that connects the two lobes of the thyroid.
A narrow part inside the body that connects two larger structures.
The middle region of the hair follicle which usually contains the sebaceous gland.
Refers to a narrow connection between two larger bodies or parts; a general term for such a structure or region. Each vertebra, on either side, has facets that constitute the upper and lower joints of the vertebra. They are described as being superior and inferior. ...
Pigment in ventral region of head connecting gular and cleithral regions, includes pigment on or anterior to cleithrum, but ventral to edge of pectoral fin base.
In nematodes: Relatively narrow portion of esophagus just anterior to the basal region. (14)