The world’s largest saltwater lake, ‘Vaughan Lake,’ is located in [A] Iran. Situated in the northwest region of Iran, it is renowned for its vast size and high salinity. Vaughan Lake, also known as Lake Urmia, serves as a critical habitat for various species of flora and fauna and plays a significant role in the local ecosystem. However, it has faced environmental challenges such as decreasing water levels due to factors like climate change and human activities, highlighting the need for conservation efforts to preserve this valuable natural resource in Iran.