Ugljan is an Adriatic Sea island in the Zadar Archipelago, northwest of the island of Pašman and southeast of the islands of Rivanj and Sestrunj.  Separated from the mainland by the Zadar Channel; connected with the island of Pašman by a bridge spanning over the Ždrelac Strait.
Ugljan is one of the most densely populated Croatian islands. All settlements (Preko, Ugljan, Lukoran, Sutomišćica, Poljana, Kali, Ošljak and Kukljica) are situated along the coast of the cultivated eastern side of the island. Major crops include olives, figs and vines. Ugljan has a regional road connected by the bridge with the regional road running along the island of Pašman. Ferry port in Preko; ferry connections with Zadar.