中央部

1. Origins, structure, and basic meaning

• Structure: In 中央部 (ちゅうおうぶ), center 中央 and part 部 combine to denote the central portion.
• Basic usage: 中央部 is the portion at the center of an area, length, or structure.

2. Common pitfalls and similar expressions

• Central portion within a whole
  • 中央部に marks a central location, while 中央部まで marks movement or extent reaching that point.