OMIS, a small town and port at the mouth of the Cetina river in the littoral of Poljica, 26 km southeast of Split; population. Economy is based on farming, fishing, textile and food-processing industries and tourism. Extensive sand beaches stretch from Dugi Rat in the west to Ravnice in the east. A 700-m wide shallow stretches off the low sand coast west of Omis, created by the drifts of the Cetina; it has a chang- ing depth (up to 2 m). In the eastern part of the Poljica littoral, bet- ween Ravnice and Vrulja, are several coves (Mala Luka, Velika Luka, Lucica and Vojskovo) with sand-pebble beaches. Omis lies at the intersection of the main road and the regional road, connecting Omis with the hinterland in the Cetina valley