Naissaar is a small island located in the Gulf of Finland, part of Estonia. It covers an area of approximately 18 square kilometers and is known for its natural beauty, including forests, sandy beaches, and diverse wildlife. The island has a rich history, with remnants of military fortifications and lighthouses that date back to the 19th century. The island is accessible by ferry and is a popular destination for tourists seeking outdoor activities such as hiking and birdwatching. Naissaar is also home to a small population, with a few villages that reflect the island's cultural heritage.