〜を中心に（して）／を中心として

Meaning

This pattern indicates that something serves as the main center, focus, or basis. When modifying a noun, use forms like 「を中心とする」, 「を中心とした」, or 「を中心にした」. The particle を marks the object that becomes the center, while 中心に(して) or 中心として indicates the centered position or role.

Formation

Examples

1. 地球は太陽を中心として回っている。
   The Earth rotates around the Sun as its center.

2. あそこは湖を中心に形成された町です。
   That town is a town that was formed with the lake as its center.

3. 来年から弊社は、タイを中心に東南アジアへ事業を展開する予定でございます。
   Starting next year, our company plans to expand its business in Southeast Asia with Thailand as the main focus.

Summary

• Use を中心に(して) or を中心として to express something that functions as the main center or core
• The noun before を becomes the central focus point, while the rest of the sentence describes what revolves around it
• Common in describing geographical centers, business strategies, and organizational structures