Dan Sai is a picturesque district in Loei province, Thailand, best known for hosting the vibrant Phi Ta Khon Festival, also known as the Ghost Festival. This unique cultural event combines religious rituals, folklore, and colorful parades, creating a spectacle that draws visitors from all over the world. Dan Sai's serene natural beauty and rich cultural heritage make it a must-visit destination for those seeking an authentic and unforgettable Thai experience.