Alexandria is a major port city in Egypt, located on the Mediterranean Sea. It is the second largest city in the country and the largest in the Nile Delta region. Founded by Alexander the Great in 331 BC, it was once the capital of Egypt and a major center of Hellenistic culture. It is known for its ancient library, the Lighthouse of Alexandria, and its famous monuments, such as the Citadel of Qaitbay. Alexandria is also home to many universities, museums, and other cultural institutions. It is a popular tourist destination, with its Mediterranean climate, beautiful beaches, and vibrant nightlife.