This is a comprehensive travel guide for Karasu in Turkey. From budgeting tips to finding the best spots, this travel guide has got all the insider information to explore Karasu like a local. The nearest major city to Karasu is Istanbul. Add Istanbul to your vacation plan, it has an interesting bunch of activities to do on your visit like Sultan Ahmed Mosque, Topkapi Palace, Hagia Sophia. Popular vacation packages of Karasu are of 1-2 days.