Affischen hänger i lokalen.

Affischen is the definite singular form of en affisch.

• en affisch = a poster
• affischen = the poster

In Swedish, definiteness is often shown by adding an ending to the noun instead of using a separate word like the.

So:

• en affisch → affischen
• en lokal → lokalen

That is why the sentence uses affischen: it means a specific poster, not just any poster.

Here, -en marks the noun as definite singular for a common gender noun.

Both affisch and lokal are en-words in Swedish, so their definite singular forms usually take -en:

• en affisch → affischen
• en lokal → lokalen

This ending often corresponds to English the.

So i lokalen means in the room / in the premises / in the venue, not just in a room.

Hänga is the infinitive form, meaning to hang.
Hänger is the present tense, meaning hangs / is hanging.

Compare:

• att hänga = to hang
• hänger = hangs / is hanging

In a normal statement, Swedish uses the finite verb, so you need hänger:

• Affischen hänger i lokalen. = The poster hangs / is hanging in the room.

It can mean either, depending on context.

Swedish present tense often covers both:

• hangs
• is hanging

So Affischen hänger i lokalen could be understood as either:

• The poster hangs in the room
• The poster is hanging in the room

Swedish usually does not need a separate form like English is hanging unless you want to be especially specific.

Swedish usually uses i for being inside an enclosed space, room, building, or premises.

So:

• i lokalen = in the room / in the venue / on the premises

Using på would normally suggest a different kind of location pattern, and with lokal it is usually i that sounds natural when you mean inside the place.

A useful basic idea is:

• i = in
• på = on / at, but Swedish uses it in some places where English does not

For lokalen, i is the normal choice here.

Lokalen comes from en lokal, which often means:

• the room
• the premises
• the venue
• sometimes the hall or the space

It does not usually mean the local in the English sense of a nearby person.

The best English meaning depends on context. In this sentence, lokalen is probably some physical indoor place where the poster is hanging.

Because Swedish usually puts definiteness on the noun itself.

English uses a separate word:

• the poster
• the room

Swedish often uses an ending instead:

• affischen
• lokalen

So the idea of the is already built into the noun. That is why you do not need a separate article here.

Both are common gender nouns, also called en-words.

• en affisch
• en lokal

This matters because gender affects forms like the definite ending. For many en-words, the definite singular ending is -en:

• affischen
• lokalen

If a noun were a neuter noun, an ett-word, it would often take -et instead.

This is the normal Swedish word order for a simple main clause:

subject + verb + adverbial/place

So:

• Affischen = subject
• hänger = verb
• i lokalen = place expression

This is similar to normal English word order:

• The poster hangs in the room.

Swedish is a V2 language, which means the finite verb normally comes in the second position in main clauses. In this sentence, the subject comes first, so the verb naturally comes second.

Yes, that is possible.

Swedish allows another element to come first, but then the verb still stays in second position:

• I lokalen hänger affischen.

This puts more emphasis on the location, something like:

• In the room, the poster is hanging
• or It is in the room that the poster hangs

So both are grammatical, but the original sentence is more neutral.

You could, but it means something slightly different.

• Affischen hänger i lokalen focuses on the poster’s position as something hanging.
• Affischen är i lokalen just says the poster is in the room / in the venue.

So är gives general location, while hänger gives a more specific description of how the poster is located.

Yes, hänger is very natural for a poster on a wall.

Swedish often uses position verbs such as:

• står = stands
• ligger = lies
• sitter = sits
• hänger = hangs

A poster is typically thought of as hanging on a wall, so hänger fits well.

In some contexts, learners also notice that Swedish can use sitter for things attached to surfaces, but for a poster, hänger is very normal and easy to understand.

A rough guide for an English speaker:

• affischen ≈ AHF-fish-en
• hänger ≈ HENG-er
  The ä sounds somewhat like the e in bed, though not exactly.
• i = ee
• lokalen ≈ loo-KAH-len

A few helpful notes:

• ng in hänger is pronounced as the ng sound in sing
• the g after ng is not pronounced as a separate hard g
• Swedish pitch accent and vowel length matter, but getting the basic sounds first is enough for a learner

It can be either.

Swedish present tense often covers both:

• a current situation
• a general description

So Affischen hänger i lokalen may mean:

• the poster is there right now
• the poster is generally located there

Context usually tells you which is meant.