A1 · beginner #IN

The preposition in

die Präposition in

In German, in is a two-way preposition: it takes the Dativ for a location (wo?) and the Akkusativ for a direction (wohin?).

in expresses both place and time; wo? (where?) takes the Dativ, wohin? (where to?) takes the Akkusativ. English speakers make the mistake most often when nothing is moving and they still reach for the Akkusativ.

Contents

in – Dativ or Akkusativ?

in is a two-way preposition (Wechselpräposition); when it shows a place, the case depends on whether there is movement.

“Wo?” (where?) asks about a position, “Wohin?” (where to?) asks about a direction. English blurs the two: “in the kitchen” fits both “I’m in the kitchen” and “I’m going into the kitchen”. German keeps them apart with the case.

Question	Sentence	Case
Wo?	Ich bin in der Küche.	Dativ (location)
Wohin?	Ich gehe in die Küche.	Akkusativ (direction)

The verb (sein vs gehen) decides the case.

in + Dativ (location – where?)

When there is no movement and a person or object is inside a place, use the Dativ.

German	English	Note
Das Buch liegt in der Tasche.	The book is lying in the bag.	die Tasche feminine → der
Wir sitzen im Garten.	We are sitting in the garden.	der Garten masculine → dem → im
Die Katze schläft im Bett.	The cat is sleeping in the bed.	das Bett neuter → dem → im
Meine Schlüssel sind in der Schublade.	My keys are in the drawer.	die Schublade feminine → der

Article change: in dem → im, in der stays.

Ich bin in der Schule. I am at school. location
Er geht in den Park. He is going to the park. direction
Wir treffen uns in einer Stunde. We are meeting in an hour. time
Die Maus versteckt sich im Loch. The mouse is hiding in the hole. location
Sie legt die Brille in die Tasche. She puts the glasses into the bag. direction
Im Sommer fahre ich ans Meer. In summer I go to the sea. contraction + time

in + Akkusativ (direction – where to?)

When you move into a place, the Akkusativ comes.

German	English	Note
Ich lege das Buch in die Tasche.	I put the book into the bag.	die Tasche feminine → die
Er geht in den Garten.	He goes into the garden.	der Garten masculine → den
Wir stellen die Vase ins Fenster.	We put the vase in the window.	das Fenster neuter → das → ins
Sie fährt in die Stadt.	She drives into town.	die Stadt feminine → die

in das → ins merge.

Contractions (im · ins) and use in time expressions

in dem → im (masculine/neuter Dativ), in das → ins (neuter only, Akkusativ). The masculine Akkusativ does not contract: in den Park.

in is also used in time expressions: im Januar (in January), in einer Woche (in a week).

The contraction is written without a space; im and ins behave like single words.

Traps

TRAP 01

Using the Akkusativ when nothing moves

English says “in the kitchen” either way, so nothing warns you. If the verb shows no movement, the Akkusativ slips in by accident; check whether anything is actually moving.

Ich bin in die Küche.

“bin” shows a position, so it needs the Dativ: in der Küche.

Ich bin in der Küche.

I am in the kitchen.

TRAP 02

Saying nach with a country that has an article

Most countries have no article and take nach. But countries with an article, like die Türkei or die Schweiz, take in + Akkusativ.

Ich fliege nach der Türkei.

country with an article → in + Akkusativ

Ich fliege in die Türkei.

I am flying to Turkey.

TRAP 03

The wrong case in time expressions

“in einer Woche” takes the Dativ and means “a week from now”. The Akkusativ “in eine Woche” is simply wrong as a time expression.

Wir sehen uns in eine Woche.

“in” for time takes the Dativ. If you mean “for a week”, say eine Woche lang.

Wir sehen uns in einer Woche.

We will see each other in a week.

Practice now

What you just learned

___ Sommer fahren wir ans Meer.
Show the answer
Im, im — Im. Seasons are expressed with im, the contraction of in dem.
The sentence «Ich gehe in der Park.» is correct.
Show the answer
False. Going expresses direction/movement, so the Akkusativ is needed: in den Park.
I am in the kitchen.
Show the answer
Ich bin in der Küche. bin shows a position and takes the Dativ: in der.

The other two-way prepositions

Same group

wo? / wohin? — two-way prepositions Prepositions — overview The preposition an The preposition auf The preposition über The preposition unter The preposition vor The preposition hinter The preposition neben The preposition zwischen

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Tips

Know this before the test

The core of the topic in three lines, then the mistakes people make most often.

The most common preposition, with two cases
Being inside takes the Dativ (in der Küche), going inside takes the Akkusativ (in die Küche).
Ich bin in der Küche. → Ich gehe in die Küche.
im = in dem · ins = in das
Both contractions are very common: im Kino (inside) · ins Kino (into).
Er geht ins Haus.
Months, seasons, years: im
im Januar · im Sommer · im Jahr 2026. Days take am, clock times take um — keep the three together.
Im Sommer fahren wir ans Meer.
in einer Woche = a week from now
A span in the future uses in + Dativ: in einer Woche · in zwei Stunden. Do not translate it as “within”; read it as “in … time”.
Wir sehen uns in einer Woche.

Ich gehe im Kino.
Ich gehe ins Kino.
Going is a direction: Akkusativ → ins.
Am Januar beginnt das Jahr.
Im Januar beginnt das Jahr.
Months take im; am belongs to days.
Wir sehen uns in eine Woche.
Wir sehen uns in einer Woche.
in in the sense of time takes the Dativ.
Ich lege das Buch in der Tasche.
Ich lege das Buch in die Tasche.
Putting is movement: Akkusativ.

0707:30

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I am in the kitchen.

Ich bin in der Küche. bin shows a position and takes the Dativ: in der.

He is going to the park.

Er geht in den Park. The movement verb geht takes the Akkusativ: in den.

I put the book into the bag.

Ich lege das Buch in die Tasche. legen is movement → Akkusativ in die.

In January

im Januar. Months and seasons use in + Dativ, and in dem contracts to im. Days take am, clock times take um — the three never mix.

We will see each other in a week.

Wir sehen uns in einer Woche. A stretch of time takes the Dativ: in einer.

He is going into the house.

ins Haus. There is movement → Akkusativ → in das = ins. im Haus would mean “he is walking around inside the house”, and an das Haus means “up to the side of the house” — not going in.

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Dativ verbs

helfen · gefallen · gehören · geben

Dativ verbs are German verbs whose object goes in the dative case: helfen, gefallen, gehören, geben.

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Prepositions