Top experiences
- ✓Visit the waterfront and museums in İzmit.
- ✓Explore Kartepe in winter or summer.
- ✓Walk around Maşukiye and nearby nature areas.
- ✓Discover Kerpe, Kefken and the Black Sea coast.
Turkey travel guide
Explore Kocaeli, a convenient escape near Istanbul offering Marmara and Black Sea coastlines, Kartepe’s mountain scenery, Ballıkayalar Nature Park, museums, beaches, forests and year-round outdoor activities.
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The most important places to see
Museums, ancient sites and historic landmarks
Quieter places beyond the usual tourist trail
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Plan your visit
Kocaeli lies east of Istanbul between the Marmara and Black Sea coasts, offering industrial heritage, forest areas, beaches and winter activities at Kartepe.
Summer suits the coast, spring and autumn suit nature, and winter attracts visitors to Kartepe.
Rail, buses and ferries serve urban districts. A car is useful for Kartepe and the Black Sea coast.
Travel conditions and opening arrangements can change. Check current information before your visit.
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