Kasımpaşa Postal Codes: 34440 | Beyoğlu, İstanbul, Marmara

Key Facts

Kasımpaşa is a historic neighborhood located in the Beyoğlu district of Istanbul, Turkey. Situated on the European side of the city along the Golden Horn, this vibrant area occupies a strategic position between the historic peninsula and the modern city center. With an approximate population of around 25,000 residents, Kasımpaşa covers an area of approximately 1.5 square kilometers and maintains a distinctive urban character shaped by its maritime heritage and working-class roots. The neighborhood is administratively divided into several mahalles (quarters), including Hacıahmet, Piyalepaşa, and Çeşme, each contributing to the area's diverse social fabric. Historically significant as the site of the Ottoman naval arsenal and shipyards, Kasımpaşa has evolved into a densely populated residential and commercial zone while preserving elements of its naval history. The neighborhood's topography features steep hills descending toward the Golden Horn, creating dramatic urban vistas and a unique street layout. As part of Beyoğlu municipality, Kasımpaşa benefits from comprehensive municipal services while maintaining its distinct local identity. To access detailed postal code information for Kasımpaşa's various quarters and streets, visitors can explore the specific sub-regional listings available through our comprehensive location database.

Neighboring Regions

• Hasköy
• Şişhane
• Dolapdere
• Haliç
• Okmeydanı