Aşçıbaşı Mosque (Üsküdar)

Aşçıbaşı Mosque or Aşçıbaşı Mehmet Efendi Mosque, a historic mosque from the Ottoman Empire period located in Zeynep Kamil Neighborhood of the Üsküdar district of Istanbul. It was commissioned by Pervane Mehmet Efendi, the chief cook of Mehmed IV. Construction of the mosque began in 1650 and after a 2‑year building process it was opened for worship in 1652. Architecturally the mosque reflects Ottoman influences.

Over time the mosque fell into ruin and was taken out of use in 1935. In 1993 it was rebuilt by Yıldız Technical University.

It was originally built as a mosque in the original plan. Later its courtyard and school were added. The mosque remained among apartment buildings. The area where the mosque is located was referred to as Aşçıbaşı Neighborhood up to the 2008 regulations.