に and で both mark location in Japanese, but they work very differently. This guide shows you exactly which to use — and when.
At a Glance
| Particle | Use | Key Idea | Example |
|---|---|---|---|
| に (ni) | Location of existence / destination | WHERE something IS or WHERE you go TO | 東京に住んでいる |
| で (de) | Location of action | WHERE an action happens | 公園で遊ぶ |
に — Where Something Exists or Goes
に marks the location where something EXISTS (with いる/ある) or the DESTINATION of movement.
Existence: 猫はソファに座っている。 — The cat is sitting on the sofa.
Destination: 学校に行く。 — I go to school. (に = to/toward)
で — Where an Action Happens
で marks the location where an ACTION takes place.
Example: 図書館で勉強する。 — I study at the library. (studying happens IN the library)
Example: レストランで食べた。 — I ate at the restaurant.
YukaSo if I want to say ‘I sleep in my room’ — do I use に or で?
ReiGood question! If you mean the action of sleeping, use で: 部屋で寝る. But if you mean where you are (exist) while sleeping, you could say 部屋にいる. In practice, 部屋で寝る is the natural choice.
YukaWhat about ‘I was born in Tokyo’?
ReiBirth uses に: 東京に生まれた. Because birth is seen as arriving at a location, not an ongoing action. It’s an exception to the rule, but native speakers always use に for birthplace.
The Key Test
Ask yourself: Is this an action that HAPPENS there, or is this where something EXISTS / ARRIVES?
Action happening → で | Existence or arrival → に
Side-by-Side Comparison
| Sentence | Particle | Why |
|---|---|---|
| 東京で働く (work in Tokyo) | で | Working is an action |
| 東京に住む (live in Tokyo) | に | Living = state of existence |
| 公園で走る (run in the park) | で | Running is an action |
| 公園に木がある (there is a tree in the park) | に | Existence (ある) |
| 駅に着いた (arrived at the station) | に | Destination/arrival |
Common Mistakes
| Wrong | Correct | Note |
|---|---|---|
| 公園に走る | 公園で走る | Running is an action → で |
| 東京でいる | 東京にいる | いる (exist) always uses に |
| 図書館で本がある | 図書館に本がある | ある (exist) always uses に |
Quick Quiz
Choose に or で:
1. カフェ___コーヒーを飲む。(I drink coffee at the cafe.) → で
2. 部屋___猫がいる。(There is a cat in the room.) → に
3. 駅___バスに乗った。(I got on a bus at the station.) → で
Practice in the Comments!
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Keep Learning: Grammar Hub | は vs が | に vs で (Full Guide)
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