Derna ( ) is a
port city in eastern
Libya. It has a population of 100,000–150,000. It was the seat of one of the wealthiest provinces in the
Barbary States, and remains the capital of the
Derna District, with a much smaller area. Derna has a unique environment among Libyan cities, as it lies between green mountains, the Mediterranean Sea, and the desert. The city is also home to people of mixed origins.