The story
From Flint + -shire, also once known as the County of Flint.
Etymology from Wiktionary, CC BY-SA 4.0.
Flintshire
Today it means: A maritime traditional county of Wales, bounded to the north by the Irish Sea, to the northeast by the Dee estuary, to the east by Cheshire and to the south and southwest by Denbighshire. A detached part, Maelor Saesneg, is bounded on the northwest by Denbighshire, on the northeast by Cheshire, and on the south by Shropshire. There is a further small detached part around Marford. Full definition →