Lotte Tour Development is a South Korean tourism corporation headquartered in Seoul. Lotte Tour serves as a travel agency, travel information provider, and casino proprietor. The company was founded in 1971 and is one of the largest travel businesses in the country. It was a subsidiary of Lotte Corporation until 2005 when it was split off. Lotte Tour owns the Jeju Dream Tower casino in Jeju City, the tallest building on Jeju Island. Wikipedia