Το ακτοπλοϊκό εισιτήριο είναι στο εκδοτήριο εισιτηρίων.

Ακτοπλοϊκό is an adjective meaning something like ferry / coastal-shipping / sea-route. In the phrase ακτοπλοϊκό εισιτήριο, it means ferry ticket.

So Greek uses:

• ακτοπλοϊκό = ferry-related
• εισιτήριο = ticket

Together: ακτοπλοϊκό εισιτήριο = ferry ticket

Greek often uses an adjective + noun where English might use a noun + noun structure.

Because they have to agree with each other.

Here, εισιτήριο is:

• neuter
• singular
• nominative (because it is the subject of the sentence)

So the adjective ακτοπλοϊκό also appears in the neuter singular nominative form.

This is a basic Greek rule: adjectives agree with the nouns they describe in:

• gender
• number
• case

Το is the neuter singular definite article, meaning the.

So:

• το εισιτήριο = the ticket
• το ακτοπλοϊκό εισιτήριο = the ferry ticket

Greek uses the definite article very often, sometimes more often than English does. In this sentence, it shows that we are talking about a specific ticket, not just any ticket.

Στο is a contraction of:

• σε = in / at / to
• το = the

So:

• σε το → στο

In this sentence, στο εκδοτήριο εισιτηρίων means at the ticket office or in the ticket office, depending on context.

This contraction is extremely common in Greek:

• στο = σε + το
• στη = σε + τη(ν)
• στον = σε + τον

Because εισιτηρίων is a different case and number.

• εισιτήριο = ticket
• εισιτηρίων = of tickets

More specifically, εισιτηρίων is the genitive plural form.

So:

• εκδοτήριο εισιτηρίων literally means issuing office of tickets
• in natural English: ticket office, ticket booth, or box office depending on context

This is a very common Greek pattern: a noun followed by another noun in the genitive.

Because the phrase εκδοτήριο εισιτηρίων means a place where tickets in general are issued or sold.

It is not describing one particular ticket. It is naming the type of place.

So even though the main subject is singular:

• Το ακτοπλοϊκό εισιτήριο = The ferry ticket

the location is a general place:

• στο εκδοτήριο εισιτηρίων = at the ticket office

This is very natural in Greek.

Εκδοτήριο is a place or counter where something is issued, especially tickets. In travel contexts, it usually means:

• ticket office
• ticket booth
• ticket counter

It comes from the idea of issuing something. So εκδοτήριο εισιτηρίων is literally an issuing place for tickets.

It is nominative here, because it is the subject of είναι.

You are right that the form looks the same. In Greek, many neuter singular nouns have the same form in the:

• nominative
• accusative

So το εισιτήριο can be either nominative or accusative depending on the sentence.

In this sentence, it is nominative because:

• The ferry ticket = the thing being talked about
• is = είναι
• at the ticket office = location

Yes, in this sentence that is a perfectly natural way to understand it.

• είναι literally means is
• but with a place expression, it can often mean is located, is found, or simply is at

So this sentence can be understood as:

• The ferry ticket is at the ticket office
• The ferry ticket is located at the ticket office

The simple verb είναι is very common and natural here.

Yes. Greek word order is more flexible than English word order.

The original sentence is neutral:

• Το ακτοπλοϊκό εισιτήριο είναι στο εκδοτήριο εισιτηρίων.

You could also say:

• Στο εκδοτήριο εισιτηρίων είναι το ακτοπλοϊκό εισιτήριο.

That version puts more emphasis on the location, a bit like It’s at the ticket office that the ferry ticket is.

Even though word order can move around, the original version is the most straightforward and natural for a learner to use.

In a normal full sentence, yes, you should use είναι.

Greek does sometimes omit forms of to be in very informal notes, headlines, labels, or highly elliptical speech, but that is not the standard pattern learners should copy.

So for a regular sentence, use:

• Το ακτοπλοϊκό εισιτήριο είναι στο εκδοτήριο εισιτηρίων.

Sometimes, yes, depending on the exact setting.

Possible alternatives include:

• ταμείο = ticket window / cashier’s desk
• γκισέ = counter / booth
• πρακτορείο = agency, sometimes used for travel or ferry offices

But εκδοτήριο εισιτηρίων is a very clear and formal-standard way to say ticket office.

A rough pronunciation is:

to aktoplo-ee-KO ee-see-TEE-rio EE-ne sto ek-tho-TEE-rio ee-see-tee-RI-on

A few useful notes:

• το sounds like to
• είναι is roughly EE-ne
• στο sounds like sto
• εισιτήριο has the stress on -τή-
• εισιτηρίων has the stress on -ρί-
• εκδοτήριο has the stress on -τή-

The written accents show you where the stress goes.