A Strong Room is a bank's most secure area for storing valuables, cash, and important documents. Its design prioritizes maximum security due to the large sums of money and valuables it contains. Locating the strong room far from entry and exit points minimizes risks of theft, unauthorized access, and robbery. A distant, protected placement within the building impedes intruder access and escape. Unlike strong rooms, cash cabins, lockers, and the manager's cabin do not necessitate the same extreme physical security placement. Therefore, option (C) Strong Room is the correct answer.