Introduction

The difference between に(ni)and で(de)is one of the trickiest grammar points for Japanese learners. But here's the good news: you can understand it with one simple image—a map app on your phone.

In this guide, you'll learn how these two particles work like two different camera angles to show locations in Japanese. We'll break it down into 3 practical lessons.


Part 1: Basics — The Pin and the Action

Example sentences

Where you are, where you do it

5 seconds

The example sentences, recorded one by one.

Read the transcript

私わたしは家いえにいます。
I'm at home.

家いえでごはんを食たべます。
I eat at home.

Example sentences

Where people and things are

6 seconds

The example sentences, recorded one by one.

Read the transcript

猫ねこは部屋へやにいます。
The cat is in the room.

机つくえの上うえに本ほんがあります。
There's a book on the desk.

Audio from the video

Listen to the pin and action rule

50 seconds

A clip from a short YouTube video, explanation included.

Read the transcript

In English, we use “in” for many situations.

But in Japanese, translating “in” directly is a common trap.

Today, we fix it with one simple image: a map app.

Choose "ni" or "de".

"Tokyo ( ) imasu"

(EN) I’m in Tokyo.

"Tokyo ( ) tabemasu"

(EN) I eat in Tokyo.

First, the answers:

"Tokyo ni imasu"

(EN) I’m in Tokyo.

"Tokyo de tabemasu"

(EN) I eat in Tokyo.

Imagine a map on your phone.

1. "ni" = a pin 📍

Just a point: “here”.

No action.

に vs で: Two Different Camera Angles

Imagine a map app on your phone:

に = A pin 📍

  • Just one point on the map
  • "Here" as a location
  • No action—it's still and quiet

で = Action 🖐️

  • Something happens at that place
  • You eat, buy, or speak
  • There's movement and activity

Basic Examples

Example 1: Being at home

「家いえにいます。」 (I'm at home.)
  • The verb「い」just means "to be"
  • No action—only location
  • It's a pin on the map

Example 2: Eating at home

「家いえで食たべます。」 (I eat at home.)
  • The verb「食たべる」is an action
  • You do that action at that place
  • So we use「で」

The Most Common Mistake

If someone says:

「レストランに食たべます。」(❌) (Sounds wrong)

Native speakers think: "Wait, what?"

Why? Because:

  • に = Pin (location)
  • 食たべます = Action (to eat)

The pin and the action don't match.

Correct form:

「レストランで食たべます。」(⭕️) (I eat at the restaurant.)
Note for advanced learners: 「レストランに食たべに行いきます」is correct. But「レストランに食たべます」is not.

Quiz 1 ✏️ Practice 1

Think of your answer before opening the solution.

Fill in the blank with に or で:

  1. 「スーパー( )バナナを買かいます。」(At the supermarket, I buy bananas.)
  2. 「東京とうきょう( )います。」(I'm in Tokyo.)
💡 Show Answer
  1. 「スーパーでバナナを買かいます。」(Buying is an action)
  2. 「東京とうきょうにいます。」(Location)

Try more questions →


Part 2: Intermediate — Verbs That Change Between に and で

Example sentences

Where you live and where you work

12 seconds

The example sentences, recorded one by one.

Read the transcript

どこに住すんでいますか。
Where do you live?

東京とうきょうに住すんでいます。
I live in Tokyo.

どこで働はたらいていますか。
Where do you work?

東京とうきょうのホテルで働はたらいています。
I work at a hotel in Tokyo.

Audio from the video

Listen to how the verb changes the particle

54 seconds

A clip from a short YouTube video, explanation included.

Read the transcript

This part confuses many learners.

Remember:

"ni" = pin 📍

"de" = action 🖐️

Now choose:

"Tokyo ( ) sunde imasu"

"Tokyo ( ) hataraite imasu"

Answer:

"Tokyo ni sunde imasu"

(EN) I live in Tokyo.

"Tokyo de hataraite imasu"

(EN) I work in Tokyo.

Living is your home base.

Like your address.

A fixed point on the map.

So "ni".

Working is action.

You do things there.

So "de".

Tricky one:

"Densha ( ) norimasu"

This is "ni".

"Densha ni norimasu"

(EN) I get on the train.

Before: Home (platform)

Review of Basics

  1. に = Pin 📍 (location)
  2. で = Action 🖐️ (activity)

Tricky Verbs: 「住すむ」and「働はたらく」

Now let's tackle more complex verbs:

The verb 「住すむ」(to live)

「東京とうきょうに住すんでいます。」 (I live in Tokyo.)

Why に?

  • 「住すむ」refers to where you live (your base)
  • It's like your "home address"
  • It's a fixed point on the map
  • So we use に
The word「住所じゅうしょ」(address) comes from this same verb. It shows that「住すむ」is about location.

The verb 「働はたらく」(to work)

「東京とうきょうで働はたらいています。」 (I work in Tokyo.)

Why で?

  • 「働はたらく」is an action
  • You do many things there
  • There's activity and interaction
  • So we use で

A Tricky One: 「乗のる」(to get on)

「電でん車しゃに乗のります。」 (I get on the train.)

Why に and not で?

  • Now you're at: the platform (home)
  • After you'll be at: inside the train
  • The train is your destination
  • So we use に
Important: 「電でん車しゃで」means "by train as a means of transportation." Example: 「電でん車しゃで学がっ校こうに行いきます」(I go to school by train.)

Quiz 2 ✏️ Practice 2

Think of your answer before opening the solution.

Fill in the blank with に or で:

「バス( )学がっ校こうに行いきます。」
(I go to school by bus.)
💡 Show Answer
「バス(で)学がっ校こうに行いきます。」

Why:「行いく」is an action. You use the bus to go (action), so it's で.

Try more questions →

Quiz 3 ✏️ Repetition Exercise

Say these sentences with me:

  1. 「東京とうきょうに住すんでいます。」
  2. 「東京とうきょうで働はたらいています。」
  3. 「電でん車しゃに乗のります。」
  4. 「電でん車しゃで学がっ校こうに行いきます。」
Key Point: The verb determines whether you use に or で. In Preply, I check your usage in real conversation.

Try more questions →


Part 3: Conversation — Real-World Mistakes to Avoid

Example sentences

Where you buy things

5 seconds

The example sentences, recorded one by one.

Read the transcript

どこでパンを買かいますか。
Where do you buy bread?

駅えきの店みせで買かいます。
I buy it at the shop in the station.

Audio from the video

Listen to に and で in conversation

56 seconds

A clip from a short YouTube video, explanation included.

Read the transcript

In real conversation, choosing "ni" or "de" matters.

If you choose wrong, it sounds strange.

1. “Where are you now?” = pin

"Doko ( ) imasu ka?"

"Doko ni imasu ka?"

(EN) Where are you now?

2. “Where shall we meet?” = action

"Doko ( ) aimasu ka?"

"Doko de aimasu ka?"

(EN) Where shall we meet?

This sounds strange:

"Ashita, doko ni tabemasu ka?" (❌)

(EN) (Sounds wrong) Where do you eat tomorrow?

Eating is action.

Correct:

"Ashita, doko de tabemasu ka?" (⭕️)

(EN) Where do we eat tomorrow?

Which restaurant are we eating at tomorrow?

Roleplay quiz:

Review: に = Pin 📍 / で = Action 🖐️

Real Conversation: 「どこに」vs「どこで」

When you invite a friend and use the wrong particle, it sounds off. But the rule is the same.

Case 1: Asking where someone is now

「どこにいますか?」 (Where are you now?)

Why に:

  • You want to know their current location
  • You're asking about a pin (their position)
  • So に

Case 2: Asking where to meet

「どこで会あいますか?」 (Where shall we meet?)

Why で:

  • 「会あう」(to meet) is an action between two people
  • You're doing something together
  • So で

The Classic Mistake

「明日あした、どこに食たべますか?」(❌) (Where do you eat tomorrow? — Sounds wrong)

Why is it wrong?

  • 「食たべる」is an action
  • Eating is an activity
  • It should be で

Correct form:

「明日あした、どこで食たべますか?」(⭕️) (Where do we eat tomorrow?)

Mini Dialogue

A: 「明日あした、どこで会あいますか?」 (Where shall we meet tomorrow?)
B: 「駅えきで会あいましょう。」 (Let's meet at the station.)
A: 「今いま、どこにいますか?」 (Where are you now?)
B: 「家いえにいます。」 (I'm at home.)

Roleplay Quiz

I say a sentence. You ask "where" using どこ:

I say:

「明日あした、パーティーをします。」 (I'll have a party tomorrow.)

You ask: (3 seconds)

Answer:

「どこでしますか?」 (Where will you have it?)

Why:「する」is an action. You're having a party, so it's で.


Summary: How to Use に vs で

UsagePatternExample
Show locationに(Pin)東京とうきょうにいます (I'm in Tokyo)
Enter a placeに(Pin)電でん車しゃに乗のります (I get on the train)
Live somewhereに(Pin)東京とうきょうに住すんでいます (I live in Tokyo)
Do an actionで(Action)家いえで食たべます (I eat at home)
Work somewhereで(Action)東京とうきょうで働はたらいています (I work in Tokyo)
Use transportationで(Action)バスで学がっ校こうに行いきます (I go to school by bus)
Actions with othersで(Action)駅えきで会あいましょう (Let's meet at the station)

▶️ Videos for this article:

The Map App Theory of NI and DE explained in 3 videos. Watch them alongside the article:


🎓 Want to Learn More?

Would you like to practice with me on Preply?

On YouTube, I teach the rules. But on Preply, we practice conversation. I can check your に and で usage and help you speak natural Japanese.

See you soon! Chao chao!

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