Staden känns levande.

Because staden is the definite form of stad.

• en stad = a city
• staden = the city

In Swedish, the definite article is often added as a suffix to the noun instead of being a separate word.

Swedish usually puts the at the end of the noun.

So instead of:

• the city

Swedish says:

• staden

This is very common in Swedish:

• en bok = a book
• boken = the book
• ett hus = a house
• huset = the house

Känns comes from kännas, which means to feel in the sense of to seem / to give an impression.

So in this sentence:

• Staden känns levande = The city feels alive

This does not mean the city itself is literally having feelings. It means that to the speaker, the city gives the impression of being alive, vibrant, or full of energy.

Good question. Känns is the present tense of kännas.

Although many Swedish -s forms are passive, kännas is very often learned as its own verb meaning feel / seem.

Compare:

• känna = to feel, to know, to sense
• kännas = to feel, to seem

So here, it is best to understand känns as the normal present-tense form of kännas:

• det känns bra = it feels good
• staden känns levande = the city feels alive

Because känner sig levande means feels alive in an internal, personal sense.

That structure is used for people, animals, or anything imagined as having its own inner experience:

• Jag känner mig levande = I feel alive

But in Staden känns levande, the meaning is different: the city seems alive to an observer.

So:

• känner sig levande = feels alive from the inside
• känns levande = feels/seems alive from the outside

Levande is an adjective meaning alive, living, or sometimes vibrant depending on context.

In this sentence, it describes the city after the verb känns, so it works like a predicate adjective:

• Staden känns levande = The city feels alive

For a city, levande often suggests something like:

• full of people
• energetic
• active
• vibrant

So it can sound a little broader than just literally alive.

Because levande is one of those adjectives that often keeps the same form.

Many Swedish adjectives do change:

• en stor stad
• ett stort hus
• stora städer

But adjectives ending in -ande or -ende often stay unchanged:

• en levande stad
• ett levande språk
• levande traditioner

So levande stays levande here.

Yes, you could, but the meaning is slightly different.

• Staden är levande = The city is alive / lively
• Staden känns levande = The city feels alive

Är sounds more direct and factual. Känns sounds more like an impression or experience.

So känns is often a bit softer and more subjective.

The basic order is:

• subject + verb + adjective

So:

• Staden = subject
• känns = verb
• levande = adjective

This is a very normal Swedish sentence pattern.

It is pronounced roughly like shens, but with a Swedish k sound at the beginning that blends into the ä sound.

A very rough guide:

• känns ≈ shenns / hyenns depending on accent

A few points:

• ä sounds somewhat like the e in bed, though not exactly
• nn makes the consonant short and clear
• the final s is pronounced

If you are learning pronunciation, it is best to listen to native audio, because känns is not easy to guess from spelling alone.

Yes, it is completely natural.

It is a simple, idiomatic way to say that a city seems lively, vibrant, or full of life. You could hear similar sentences such as:

• Staden känns trygg. = The city feels safe.
• Platsen känns lugn. = The place feels calm.
• Området känns dött. = The area feels dead.

So X känns + adjective is a very useful pattern in Swedish.