Nişantaşı is a residential quarter in the Şişli district on the European side of Istanbul, Turkey. Nişantaşı quarter has four neighbourhoods: Teşvikiye, Maçka, Osmanbey and Pangaltı. The centre of the Nişantaşı quarter is at the neighbourhood of Teşvikiye, which is separated from the neighbourhood of Osmanbey to the west by the Vali Konağı Avenue and Rumeli Avenue. Osmanbey is separated from the Pangaltı neighbourhood further to the west by the busy Halaskargazi Avenue in Şişli.