Complex sentence: Aju Avis currently operates over all branch offices of Korea, including locations in Seoul, Incheon, Gyeonggi-do and other Korea local, and is one of the largest vehicle rental agencies in the world.
Split into simpler sentences: Aju Avis currently operates branch offices throughout Korea, including locations in Seoul, Incheon, Gyeonggi-do and many others. It is one of the largest vehicle rental agencies in the world.