Nişantaşı is a quarter of the Şişli district on the European side of Istanbul, Turkey. It comprises neighbourhoods like Teşvikiye, Maçka, Osmanbey and Pangaltı. A popular shopping and residential district, it is one of Istanbul's most exclusive neighbourhoods. The area includes fashion shops, department stores, cafés, pubs, restaurants and night clubs. Abdi İpekçi Street, Turkey's most expensive shopping street in terms of lease prices, stretches from the neighbourhoods of Maçka and Teşvikiye to the center of Nişantaşı.
Nişantaşı today is an elite shopping district and an affluent, secular residential area which is home to many creative types. The quarter forms the background to several novels by Nobel laureate Turkish novelist Orhan Pamuk, who is a local resident. Nişantaşı has the largest community of foreign residents in Istanbul after Taksim and Cihangir.