Is Gayrimenkul Yatırım Ortaklığı A.Ş., commonly known as IS GYO, is a prominent real estate investment trust (REIT) based in Turkey. Specializing in the acquisition, development, and management of property assets, its primary function is to invest in a diversified portfolio of real estate, generating income through leasing commercial, residential, and retail properties. IS GYO plays a significant role in the Turkish financial markets by providing investors with an opportunity to gain exposure to the real estate sector without direct property ownership.

Notable features of IS GYO include its focus on strategically located urban developments, often linked with infrastructure enhancements, enhancing the value of its assets. The company is involved in numerous sectors such as corporate offices, shopping centers, and residential complexes, significantly impacting urban real estate development. As a publicly traded entity on the Borsa Istanbul, it contributes to the liquidity and investment diversification in the market, supporting both institutional and individual investors seeking stable returns through real estate investments. IS GYO's activities influence the broader economic landscape, showcasing the potential for growth and development in Turkey's real estate sector.