Omiš (,
Latin and ) is a town and port in the
Dalmatia region of
Croatia, and is a municipality in the
Split-Dalmatia County. The town is situated approximately south-east of Croatia's second largest city,
Split. Its location is where the emerald-green
Cetina River meets the
Adriatic Sea . Omiš municipality has a population of 14,936 and its area is .