Olbia, a charming city located in northeastern Sardinia, offers visitors a range of attractions to explore. Some of the must-visit sites include the stunning beaches such as Pittulongu and Porto Istana, where you can relax and soak up the sun. The historic center is also worth exploring with its ancient churches, like San Simplicio Basilica, and archaeological sites like Nuraghe Riu Mulinu. Don't miss out on taking a stroll along the picturesque waterfront promenade lined with shops, cafes, and restaurants!