Başakşehir is a municipality and district located in the European part of Istanbul Province, Turkey. Covering an area of 107 km2, the district had a population of approximately 514,900 as of 2022. It serves as a significant urban area within the metropolitan landscape of Istanbul.
The district is home to several notable institutions and landmarks, including Ibn Haldun University and the Başakşehir Çam and Sakura City Hospital. It features major sports venues such as the Atatürk Olympic Stadium and the Başakşehir Fatih Terim Stadium, and it is the home of the football team İstanbul Başakşehir F.K., which competes in the Süper Lig. The area also contains Bahçeşehir, recognized as one of Turkey's early suburban residential development projects.
Socioculturally, Başakşehir has been identified by BBC News as a primary hub for Turkey's middle and upper-class conservative demographic. This identity is often associated with the WASP model, which highlights the district's representation of specific sociocultural values and lifestyles within an urban environment.