海外

1. Origins, structure, and basic meaning

• Structure: 海外 is read as かいがい and is a noun, also used adverbially, for abroad or overseas relative to a home country.
• Basic usage: Direction appears in 海外へ行く, while the range of an activity appears in 海外でも上映される.

2. Common pitfalls and similar expressions

• Direction with へ
  • 海外へ points abroad without naming one specific destination country.
• Additional range with でも
  • 海外でも means the screening occurred abroad as well as in another already understood sphere.