In the context of the input sentence, determine the relationship between 'Century' and 'Tokyo'.
Options: chairperson, business division, headquarters location, position held

“Reaching $1 billion in new lease volume throughout the course of one year is a true accomplishment and I want to thank everyone at CSI for all their hard work and dedication.”Hamilton also reviewed the recent investment in CSI by Century Tokyo Leasing Corporation (CTL).
headquarters location