Nusa refers to a group of small islands located in Indonesia, specifically near the popular tourist destination of Bali. The most well-known islands in this group are Nusa Penida, Nusa Lembongan, and Nusa Ceningan. These islands are famous for their stunning natural beauty, including crystal-clear waters, dramatic cliffs, and vibrant marine life, making them popular spots for snorkeling and diving. The Nusa islands are also known for their unique culture and traditional villages. Visitors can explore local customs, enjoy fresh seafood, and experience the laid-back island lifestyle. The islands are accessible by boat from Bali, making them a convenient getaway for tourists seeking adventure and relaxation.