Linked from
The 7 pages that link to Sardinia, each with the reason it gives.
CorsicaRelated: The Strait of Bonifacio separates the two neighboring islands.
Tyrrhenian SeaRelated: Its eastern shore bounds the Tyrrhenian Sea to the west.
James II of AragonBroader topic: James’s campaign made the island a lasting Aragonese possession.
ItalyBroader topic: Its island geography gives Italy a substantial western Mediterranean territory.