Gringotts Wizarding Bank is the only bank for wizards and witches in the Harry Potter series. Located in Diagon Alley, it is known for its impressive marble architecture and goblin employees who manage the bank's operations. Gringotts is famous for its high security, including dragons guarding the vaults and various magical protections. The bank offers a range of services, such as vault rentals for storing gold and valuables, currency exchange, and loans. Customers can access their accounts using a special key and are often required to navigate through the bank's extensive underground vaults to reach their treasures.