Na malé stanici u řeky vystoupíme z vlaku a půjdeme pěšky k pláži.

Stanice means station or stop. In this sentence, malá stanice suggests a small railway station or local stop.

A useful distinction is:

• stanice = the station/stop as a point on the route
• nádraží = a railway station, often thought of more as the station complex or building

In real Czech, both words can sometimes fit, but malá stanice gives a nice sense of a small, probably quiet station.

Because Czech normally says na stanici for at the station.

This is just the usual preposition used with places like stations and stops. With a location meaning, na takes the locative case, so:

• malá stanice → na malé stanici

Using v malé stanici would sound more like inside the station building, and it is not the normal choice here.

It is in the locative singular, because it follows na in a location meaning.

The base form is:

• malá stanice = a small station

After na for location:

• na malé stanici = at the small station / at a small station

Both the adjective and the noun change because adjectives in Czech agree with the noun in gender, number, and case.

Because u means by, near, next to, and it requires the genitive case.

So:

• řeka = river
• u řeky = by the river / near the river

This is a very common pattern in Czech:

• u domu = by the house
• u školy = by the school
• u řeky = by the river

Because vystoupit is a perfective verb. In Czech, perfective verbs use present-tense forms to express future meaning.

So:

• vystoupíme literally has present endings
• but it means we will get off / we will get out

Compare:

• vystupujeme = we are getting off / we get off regularly
• vystoupíme = we will get off once, as a completed action

That is a very important Czech pattern.

Because the verb vystoupit normally goes with z + genitive when you get out of or off something.

So:

• vlak = train
• z vlaku = from the train / off the train

The same pattern appears with other vehicles:

• z autobusu = off the bus
• z tramvaje = off the tram
• z letadla = off the plane

Because jít has its own irregular future form. Czech does not normally say budeme jít.

The future of jít is:

• půjdu = I will go
• půjdeš = you will go
• půjde = he/she/it will go
• půjdeme = we will go

So půjdeme pěšky means we will go on foot.

Pěšky is an adverb meaning on foot.

So:

• jít pěšky = to go on foot / to walk

It does not change its form here. It is not an adjective; it is a fixed adverb.

Useful comparisons:

• pojedeme autobusem = we will go by bus
• pojedeme vlakem = we will go by train
• půjdeme pěšky = we will go on foot

Because k means toward / to / up to, and it takes the dative case.

So:

• pláž = beach
• k pláži = toward the beach / to the beach area

By contrast:

• na pláž means onto the beach as a destination

In English, both can often be translated simply as to the beach, but Czech makes a finer distinction:

• k pláži = toward the beach, in the direction of it, up to it
• na pláž = onto the beach itself

In this sentence, k pláži sounds very natural.

Yes:

• na malé stanici → locative after na for location
• u řeky → genitive after u
• z vlaku → genitive after z
• k pláži → dative after k

So one good way to study this sentence is as a set of preposition + case combinations:

• na
  • locative
• u
  • genitive
• z
  • genitive
• k
  • dative

Because Czech has no articles.

So Czech does not have separate words corresponding directly to a/an and the. Whether something is definite or indefinite is usually understood from:

• context
• word order
• shared knowledge
• adjectives and other details

For example, na malé stanici could mean:

• at a small station
• at the small station

The context tells you which is intended.

Yes. Czech word order is much more flexible than English word order because the case endings show the grammatical relationships.

This sentence begins with Na malé stanici u řeky to set the scene first:

• At the small station by the river, we will get off the train...

You could also say:

• Vystoupíme z vlaku na malé stanici u řeky a půjdeme pěšky k pláži.

That is still correct, but the emphasis is a little different. The original version foregrounds the location.

The Czech ř is a famous difficult sound. It is somewhat like a mix of:

• a rolled or trilled r
• and the zh sound in measure

In řeky, learners often start with an approximate r sound, and that is completely normal. A rough learner-friendly approximation might sound a bit like rzheky, but that is not exact.

If you are a beginner, it is better to say a clear approximate r than to freeze up trying to make a perfect ř.