Yumurtalık (meaning "egg nest") is a small city and a district in Adana Province of Turkey. It was formerly called Aegeae, Ayas, or Laiazzo. It is a Mediterranean port at a distance of about from Adana city. Yumurtalık's population does not exceed 5,000 in winter, but in summer, it rises to 30 to 40,000 people since many inhabitants of Adana have holiday homes here. There are also many daily visitors during the holiday season.
Yumurtalık has a large free economic zone housing the production units of up to thirty companies presently in operation or in phase of being built. Fields of activities include industries ranging from petrochemicals, synthetic fibers and steel industry, and there are also plans for establishing a major shipyard.