Boudhanath is a stupa located in Kathmandu, Nepal. Located about 11 km from Kathmandu's centre and northeastern outskirts, this massive mandala makes it one of the largest spherical stupas in Nepal and the world. It is a popular tourist destination as it uniquely represents Buddhist culture and architecture. The stupa is said to have been built by King Mana Deva in the 5th century, and it is one of the most sacred Buddhist sites in Nepal. The stupa has a unique structure that includes four pairs of eyes that look in all four directions, signifying awareness and compassion. A perimeter wall surrounds the stupa, with prayer wheels at each corner. The area also includes several Tibetan monasteries, shops and restaurants. Boudhanath is a popular destination for locals and tourists who visit to experience the spiritual atmosphere and learn more about Buddhism. It is an important pilgrimage destination for Tibetan Buddhists, who come to circumambulate the stupa and to receive blessings from the Buddhist monks. The atmosphere at Boudhanath is peaceful, making it an ideal place for meditation and reflection.