If your main destination is Hungary

How to Book a Schengen Visa Appointment?
Appointments for Schengen visas are made through AS Visa Center's online appointment system (https://www.as-visa.com/DynamicPage.aspx?ID=51). Please note that the information entered for the appointment will be verified on the day of the appointment, so please ensure that all information is entered correctly. For more information on visa appointments and application details, please visit the Consulate General's official website (https://isztambul.mfa.gov.hu/eng/page/c-vizum-tudnivalok). The appointment quotas are updated on a weekly basis and new quotas are created on a regular basis.

Where?
The application documents are submitted to AS Visa Center on the appointment date.
Address: Adres: Istiklal Mahallesi Derviş Gülbaba Sokak No.:2/C-D Beyoğlu – ISTANBUL (Polat Piyalepaşa)
Service fee: 25 EUR/visa application
Visa fee: https://isztambul.mfa.gov.hu/eng/page/konzuli-es-vizumdijak