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<ul><li>We help travelers find and book hotels easily and confidently.</li><li>Search results are based on price, popularity, reviews, and competitiveness.</li><li>Some providers pay us commissions and these payments affect which offers are shown and the order in which they appear.</li><li>You can always adjust filters and sort options to see what suits you best.</li><li>Transparency and fairness guide how our search works.</li></ul>

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We earn revenue mainly through commissions paid by travel providers when you complete a booking through our site. We also earn revenue from ads, which may occasionally appear in your search results. These commissions and payments are taken into account in how offers are ranked and displayed.

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Important: Our rankings take into account payments (such as commissions) we receive from travel providers when users click through or book via our platform. This affects which offers are shown and the order in which they appear. When you search, our system ranks results based on several factors designed to highlight the most relevant and highest-quality options. These include:<ul><li>Price and value for money – competitive deals and offers.</li><li>Hotel popularity – how often the property is booked and rated by travelers.</li><li>Location quality – how close is the property to attractions and amenities.</li><li>Guest reviews – ratings and feedback from other users.</li><li>Availability and deal quality – offers with strong availability or better terms may appear higher.</li><li>Payments we receive from providers - commissions or other fees paid to us by travel providers, which affect ranking.</li></ul>Our aim is to show you the best value stays, not just the cheapest ones. "Best value" or "Recommended" results are not necessarily the cheapest options available.

How we rank hotels

When a hotel is available through multiple providers, you may see several offers for the same property. Their order depends on:<ul><li>If it's our deal or one offered by our partners</li><li>Total price (including taxes and fees where possible)</li><li>Flexibility (e.g., free cancellation or pay later options)</li><li>Competitiveness of the deal</li><li>Payments we receive from providers (such as commissions), which affect the order in which offers appear.</li></ul>Some providers pay us a commission when you book through us. This does influence the order in which their offers appear, but our priority is always to present transparent and trustworthy choices for travelers.

How we rank offers within a hotel

You can customize your search to fit your travel needs. Use filters and sorting tools to:<ul><li>Sort by price, guest rating, or distance</li><li>Filter by property type, amenities, or cancellation policy</li><li>Explore the map view to find stays in specific locations</li></ul>These tools help you control how results appear and focus on what matters most to you.

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Our goal is to help travelers plan and book their stays with confidence. We work with a wide range of trusted travel providers to show you a range of accommodation options and prices.

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Sold out

Split your dates between these two bookings to get the best price.

Room switch required {midDay}, {midDate}.

Switch rooms to stay here

Your dates are sold out everywhere, but we worked a little magic. We’ve combined these two rooms so you can stay here on your preferred dates.

The cheapest way to stay here is to split your stay across two separate bookings.

This stay is split between two separate bookings. Here’s how it works:

Save money by splitting your dates between these two bookings.

We got you the lowest price by splitting your stay across two separate bookings. Here’s how it works:

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<section>This FAQ was generated by OpenAI’s artificial intelligence and may be inaccurate, offensive, or biased. It is not reviewed, so you should not rely on this information without checking its accuracy and reliability yourself. VIO.com is not responsible or liable for the content, quality, accuracy, reliability, or availability of this FAQ.</section>

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Taxes and fees are generally recovery charges paid to partners (e.g. hotels).

A mandatory local tax will be collected by the property either at check-in or check-out.

Mandatory local taxes and/or fees will be collected by the property either at check-in or check-out.

Charges payable at the property are mandatory taxes set by local authorities and/or property imposed fees. These will be collected by the property at check-in or check-out, regardless of where you book.

This property charges a mandatory resort fee that will be collected either at check-in or check-out. This fee may cover access to certain amenities and services offered by the property.

Includes mandatory taxes (like sales tax or VAT) that {brandName} collects and pays to tax authorities.

Taxes and fees are generally recovery charges {brandName} pays to its partners (e.g. hotels).

What you will need to pay to complete the booking of the Frozen Deal.

{hotelName} in {place}

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When you book, we earn a commission from the provider and share it with you as Cash Back. No codes or extra steps needed.

Earn Cash Back automatically

Your Cash Back will be ready to withdraw within 30 to 60 days of completing your stay.

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How Cash Back works

Your account will be credited after completing your booking. The amount of Cash Back depends on the final booking value. You will be able to see the complete amount of Cash Back in your profile on karmanow.com.

Earn up to {value} Cash Back

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Hotels with non-smoking rooms near Centro / Baixa, Porto

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