Cres is an Adriatic island in Croatia. It is one of the northern islands in the bay of Kvarner and can be reached via ferry from the island Krk or from the Istrian peninsula (line Brestova-Porozina).
With an area of 405.70 km², Cres is the largest Croatian island, overtaking Krk which is just a bit smaller (but thought to be the largest for years).
Cres and the neighbouring island of Lošinj once used to be one island, but were divided by a channel and connected with a bridge at the town of Osor . Cres's only fresh water source is the Lake Vrana .