page_title: Kocaeli Peninsula
hierarchical_section_title: Kocaeli Peninsula
context_page_description: The Kocaeli Peninsula lies in the northwest corner of Anatolia, Turkey, separating the Black Sea and the Sea of Marmara on the Asian side of the strait of Bosphorus. Approximately one-third of Istanbul, one of the most populous cities of the world, occupies its western part, and İzmit, another big city, is at the easternmost point of the peninsula.
context_section_description: The Kocaeli Peninsula (Turkish: Kocaeli Yarımadası) lies in the northwest corner of Anatolia, Turkey, separating the Black Sea and the Sea of Marmara on the Asian side of the strait of Bosphorus. Approximately one-third of Istanbul, one of the most populous cities of the world, occupies its western part, and İzmit, another big city, is at the easternmost point of the peninsula.
caption: Kocaeli (east) and Çatalca peninsulas (west), separated by the Bosphorus
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