Lake İznik is a large freshwater lake located in northwestern Turkey, near the town of İznik. It covers an area of approximately 98 square kilometers and is known for its stunning natural beauty and rich history. The lake is surrounded by lush hills and is a popular destination for outdoor activities such as hiking, fishing, and birdwatching. The lake has significant historical importance, as it was once a vital trade route in ancient times. It is also famous for its connection to the Council of Nicaea, which took place in 325 AD. Today, Lake İznik attracts visitors for its serene environment and cultural heritage.