Krk is an island located in the northern Adriatic Sea in Croatia. It is situated near the city of Rijeka within the Bay of Kvarner and is part of the Primorje-Gorski Kotar county.
The island is tied with Cres as the largest island in the Adriatic, a distinction that depends on the specific methodology used to measure coastline length. It is currently the most populous island in the Adriatic region, housing 19,916 inhabitants across its various towns and villages as of 2021.