The Cambodia e-Arrival Card asks where you are staying — but you do not need a confirmed hotel to answer it. A name and a city is enough. Here is exactly what US travelers enter when nothing is booked yet, and why this field never holds up your arrival.

Enter a real hotel or guesthouse name and the city where you will spend your first night in Cambodia — that is all the field needs. You do not need a booking reference, a confirmation PDF, or proof of payment. The address is not cross-checked against any hotel system, so a plan that changes after you land does not invalidate your card or your visa. If you are staying with a friend or family, enter their address and city instead. The only real mistake is leaving the field blank or typing a placeholder like "TBD" or "unknown" — Cambodian Immigration wants a complete, plausible address, so pick a real hotel in your arrival city and type it in.
Of the 14 fields on the Cambodia e-Arrival Card, the one that makes US travelers freeze is the address in Cambodia. Everything else copies straight off your passport or your ticket, but this field asks where you are staying — and plenty of Americans have not booked a single night yet when they sit down to fill the card out. The instinct is to leave it blank, or type "TBD" and move on. That instinct is exactly what gets a card flagged.
Here is the reassurance up front: this field is far lighter than it looks. Cambodia wants a name and a city, not a paper trail. There is no booking reference to enter, no confirmation PDF to attach, and no system on the other end checking whether you actually hold a reservation at the hotel you name. The field exists so Immigration has a plausible address on record for your stay — and a real hotel in the city where you will land first satisfies that completely, booked or not.
This guide covers exactly what to enter when nothing is booked, the difference between a hotel stay and staying with friends, the placeholder mistakes that flag a US card, and what happens when your plans change after you land. If you want the whole form in order first, our step-by-step walkthrough of all 14 e-Arrival fields lays it out field by field. When you are ready, you can file a verified e-Arrival Card with us in a few minutes.
The accommodation field on the e-Arrival Card asks for where you intend to stay in Cambodia. In practice that means two things: a name and a city. The name is a hotel, a guesthouse, or the household you are staying with; the city is where that address sits — Phnom Penh, Siem Reap, Sihanoukville, or wherever your first night lands. That is the whole requirement. Anything beyond a name and a city is optional detail, not a gate you have to clear.
It helps to understand why the field is this light. The e-Arrival Card is the digital version of the paper arrival-and-customs slip Cambodia used to hand out on the descent — and that slip never asked for a booking reference either. It asked where you were headed so Immigration had a contact address on file for the duration of your stay. The card carries that same purpose forward. It is a declaration of intent, not a verified reservation, which is precisely why "no hotel booked yet" is not the problem US travelers fear it is.
Crucially, the field is not connected to any hotel booking system. Nobody on the Cambodian side pings the property to confirm you hold a room. There is no reference number to validate, no nights-paid figure to match, no cross-check against an itinerary. The officer at the kiosk sees a plausible address in a real Cambodian city and moves on. That decoupling is what gives you room to enter a hotel you are still deciding on, or one you fully intend to book the week before you fly.
This light touch is consistent across the whole arrival process. The visa application itself never asked for a hotel booking, and neither does the card. If you want to see the full set of what you do and do not need before you sit down, our breakdown of how US citizens fill out the e-Arrival Card covers every field and the prep that makes each one quick.

Use the city where you spend your first night, not your final destination — the airport you land at decides it by default.
Find an established property in that city you would actually consider; a genuine place gives a complete, plausible address.
Type the property name and city as listed — a real name and city must be present, but the full street address is rarely required.
Never leave it blank or type "TBD," "unknown," or a single word like "Cambodia" — that reads as incomplete and flags the card.
The card can only be filed in the 7 days before you land, so your first-night city is usually settled by the time you fill it in.
The simplest, safest answer when nothing is booked: pick a real hotel in the city where your first night will be, and enter its name and city. You are not committing to that property, you are not paying for it, and you are not promising Immigration you will sleep there. You are giving an honest, plausible address for where a traveler in your position would reasonably stay. That is exactly what the field is asking for.
Most Americans land at Techo International (KTI) near Phnom Penh, or fly on to Siem Reap-Angkor (SAI) for the temples. So the practical move is: open a maps app or a hotel site, find a mid-range hotel in your arrival city that you would actually consider, and type its real name and city into the field. A well-known, established hotel is ideal because the address is real and complete, which is all the validator and the officer care about. You can book that hotel later, book a different one, or change cities entirely — the card does not lock you in.
A real hotel you have not booked beats a placeholder every time. Immigration is not verifying your reservation — it is checking that you have given a complete, believable address for your stay. "Riverside guesthouse, Phnom Penh" clears that bar instantly. "TBD" or an empty field does not.
One related field trips Americans up the same way: occupation. Travelers who are retired, between jobs, or self-employed hesitate over what to put, exactly as they hesitate over an unbooked hotel — and the answer is the same, give a real and honest entry rather than leaving it blank. Our guide to the e-Arrival occupation field for retired and student travelers walks through that one if it applies to you.

If you are not staying in a hotel at all — you are visiting a friend, family, or a private residence — the field works exactly the same way, you just enter the household address instead of a hotel. Put the street address and the city where you will be staying. You do not need an invitation letter, a host signature, or any documentation proving you were invited. Cambodian Immigration is not asking your host to vouch for you at the e-Arrival stage; it simply wants a real address on file.
Get the address from your host before you fill the card out, the same way you would gather your flight number before you start. A Cambodian street address can read differently from a US one — house and street numbers, a sangkat (commune) and khan (district) in Phnom Penh, or a village and commune in the provinces. You do not need to format it perfectly; you need it to be real and complete enough that it points to a genuine place. If your host sends you the address as they would write it locally, enter it as given.
If you are splitting your trip between a friend's place and a hotel, enter the address for your first night — the place you go straight from the airport. The accommodation field is about where you are staying on arrival, not a full lodging itinerary for the whole trip. One address, the one that covers your first night, is what the field is built for.
Staying with a Cambodian friend or relative does not require any host paperwork at the e-Arrival stage. Enter their real street address and city. The only thing that causes a problem is an incomplete address — so get the full address from your host before you sit down to fill the card.

The single most reassuring fact about this field: a plan that changes after you arrive does not invalidate your card or your visa. If you entered one hotel and end up staying somewhere else, nothing breaks. The card has already done its job by giving Immigration a plausible address at entry. There is no obligation to go back and update the card once you have landed, and there is no penalty for staying somewhere other than what you wrote. Cambodian Immigration is not tracking your nights against the address you declared.
That said, the field still has to be answered correctly when you submit, and "correctly" means a complete, real address — not a placeholder. The mistakes that actually flag a US-filed card are mechanical: leaving the field blank, typing "TBD," "to be decided," "unknown," "hotel," or a single word like "Cambodia" with no city or property. Any of those reads as incomplete to the validator and to the officer, and an incomplete arrival declaration is exactly the kind of thing that sends a traveler back to sort it out at the kiosk. The fix costs nothing: enter a real hotel in your arrival city instead.
There is also a timing angle that makes this easy. You can only file the e-Arrival Card within the 7 days before you arrive, so by the time you are eligible to submit it, your first night is usually close enough that you either have a hotel booked or know which city you are landing in. That 7-day window means you are rarely guessing months out — you are filling the field in the same week you fly, when your plans are at their most settled. If you still have not booked by then, the "real hotel in your arrival city" approach carries you through cleanly.
If you have already submitted the card with a placeholder or an address you now want to change, you are not stuck. Our guide on how to fix a mistake on your e-Arrival Card after submitting walks through correcting a field after the fact — though for the accommodation field specifically, a changed plan rarely needs a correction at all, because the card is not cross-checked against where you actually stay.

Run a 15-second check before you submit. The accommodation field has a real hotel, guesthouse, or household name. It has a city, and that city is where you spend your first night, not your final stop. It is complete — no "TBD," no blank, no single-word placeholder. That is the whole bar. A real name and a real city in your arrival city clears it, booked or not, and the field never holds up your arrival when it is filled in that way.
Keep the order of operations straight for the trip as a whole. The eVisa is the big step you do first, weeks ahead — Tourist $80 USD or Business $90 USD, both approved in 3 business days and delivered as a printable PDF by email. The e-Arrival Card, accommodation field and all, is the light step you do last, in the 7 days before you fly. If you want the full picture of the Cambodia visa for US citizens, our pillar guide covers requirements, costs, and timing in one place, and the field-by-field e-Arrival walkthrough shows where the address field sits among the other 13.
When you file a verified e-Arrival Card through us for $5 USD, it is checked end-to-end before it reaches Cambodian Immigration — including the accommodation field, so an empty box or a "TBD" placeholder is caught before it becomes a kiosk problem. If you are still working out what to write because nothing is booked, the answer is a real hotel in your arrival city, and we make sure the whole card reads clean. If you need to revisit the form, our walkthrough of how US citizens fill out the e-Arrival Card covers every field in order.
Next steps and related reading for US travelers: file your verified e-Arrival Card when your flight is locked in, step through all 14 fields with the full e-Arrival walkthrough if you want the complete picture, sort the occupation field if that one also has you stuck, and apply for your Cambodia eVisa if you still need the visa itself.
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