Travel & Venue Information
The conference venue
The conference will be held at Hotel RIU Plaza de España Madrid. RIU Plaza de España Madrid is a 4-star hotel located in “Edificio España”, a historical building in the heart of the city. The venue is within walking distance of some of Madrid's main landmarks such as the Gran Vía, Plaza Mayor, Palacio Real (Royal Palace), and Puerta del Sol as well as to green areas such as Parque del Oeste, Jardines de Sabatini, Campo del Moro and Madrid Río.
Check below for details on how to enter the conference venue,
its map, and where each event will be held.
Affiliated events
The affiliated workshops will be held in a different venue,
in the Faculty of Mathematics of Universidad Complutense de Madrid (UCM) in
Plaza de Ciencias 3, Ciudad Universitaria, 28040 Madrid;
visit the affiliated events page for further details.
Travel Tips
Useful travel tips about Madrid for Eurocrypt 2025 attendees (PDF)
Venue Location
See the map for the conference venue (Google Maps link) and affiliated events (Google Maps link) below.
How to get to the venue
Given its central location, the hotel is extremely well connected by public transport (see Madrid public transport below). It is right next to the Plaza de España metro stop (lines 3 and 10) and surrounded by multiple bus stops.
From the Adolfo Suárez Madrid-Barajas Airport: From any of the terminals, take metro line 8 towards Nuevos Ministerios. At the last stop (Nuevos Ministerios), change to metro line 10 towards Puerta del Sur and get off at Plaza de España. Travel time by metro is around 45 minutes from T4 (around 40 min from T1-T2-T3) while travel time by taxi is around 30-35 minutes in normal traffic.
From the train station: depending on your train, you might arrive at Chamartín or Atocha train stations.
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From Chamartín: take metro line 10 towards Puerta del Sur and get off at Plaza de España.
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From Atocha: take metro line 1 towards Pinar de Chamartín until Sol. Then, change to metro line 3 towards Moncloa and get off at Plaza de España.
How to enter the venue for the welcome reception on May 4
The welcome reception will be held at Hotel RIU Plaza de España Madrid, in the Foyer area on the 3rd floor.
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If you already have your badge (because of attending the affiliated events): enter through the main entrance of Hotel RIU and follow the signs to go up to the 3rd floor.
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If you haven’t attended the affiliated events: enter through the entrance of the congress center of Hotel RIU. There you will find the registration desk (open from 18:00 to 21:00), you could collect your badge and follow the signs to go up to the 3rd floor.
You can see the two entrances in the picture below.
How to enter the venue during May 5-8
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If you don't have a badge yet and need to register: you must enter from the entrance of the congress center of Hotel RIU; then you should go up to the 4th floor where you will find the registration desk.
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If you already have your badge: we recommend you enter from the entrance of the congress center, but you can also enter from the main entrance of the Hotel RIU. In either case, you can go up to the 3rd floor (for coffee breaks) or the 4th floor.
Inside the venue
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Registration desk on Sunday May 4: entrance of Hotel RIU's congress center, ground floor.
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Welcome Reception: Sunday May 4 (19:00-20:30), Foyer, 3rd floor.
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Registration desk on May 5-8: next to the elevators of the congress center, 4th floor.
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Conference rooms: Madrid 1, Madrid 2, Madrid 3-4-5, 4th floor.
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Coffee breaks: Foyer area (plus rooms Princesa, Colon, Retiro, Callao, Gran Via), 3rd floor.
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Lunches: Cervantes A-B, 4th floor.
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IACR Membership Meeting and Award Ceremony: Tuesday May 6 (17:45-19:15), room Madrid 3-4-5, 4th floor.
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Rump session: Tuesday May 6 (19:30-22:40), presentations in room Madrid 3-4-5, food and drinks in Cervantes A-B, 4th floor.
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Banquet: Wednesday May 7 (20:00-22:30), rooms Madrid 1-2-3-4-5, 4th floor.
In the maps: A, B, D indicate the staircases that can be used to go between the floors 3 and 4. Also, staircase B connects to the hotel lobby, staircase D connects to the entrance of the congress center.
Traveling to Madrid
By plane
Madrid's airport is called Adolfo Suárez Madrid-Barajas and is situated in the east of Madrid, around 15 km from the city center. It consists of two separate hubs: the old one contains terminals T1, T2, T3 while the new hub contains terminals T4 and T4S. Metro line 8 connects the airport with the city, ending in Nuevos Ministerios, one of the main metro and Cercanías stations in Madrid. Note that when traveling from and to the airport by metro you need a supplement that can be added to your transport card from the same machines where the card is obtained.
Alternatively, taxis have a flat rate from the airport to anywhere in the city center of 33€.
By train
Madrid is connected to many cities in Spain and interationally via high-speed (AVE) trains – please consider traveling environmentally-friendly! The main train stations are Madrid Atocha and Madrid Chamartín, which are both well-connected to the venue via metro, see "How to get to the venue" below.
Within Spain, fast direct connections exist from several big cities in the East and South, such as Barcelona (2.5h), Valencia (2h) and Málaga (3h).
From Western Europe, many cities are connected to Madrid by train within a day of travel, via direct or few-changes connections, including:
- Brussels: 13h, 2 changes
- Frankfurt: 17.5h, 3 changes (or 2x 7h direct, with an overnight stop in Avignon)
- London: 15.5h, 3 changes
- Marseilles: 7.5h, direct
- Paris: 10h, 1 change
- Zurich: 16h, 3 changes
These connections often allow for convenient breaks along the way, e.g., for petit déjeuner in France or tapas in Barcelona.
Madrid public transport
Madrid has an excellent public transport system that combines the following options:
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Metro: Madrid has 13 metro lines with a total length of 295 km and over 300 stations. Here you have access to the metro map and to a tool to plan your journey. The metro is fast, efficient, and inexpensive, with trains running from 6:00 am until 1:30 am. You can purchase single tickets or rechargeable travel cards at metro stations. These tickets are compatible with bus lines as well.
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Cercanías: is a commuter rail system that connects Madrid with the surroundings. It is also a faster way to move between specific train stops in the center of Madrid. Here you can access the rail map.
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Bus: Madrid has a comprehensive bus system with over 200 routes covering the entire city. You can plan your bus journey here. Buses run from 6:00 am until 11:30 pm, and you can purchase tickets from the driver or use a rechargeable travel card. The “Líneas Cero” 001 and 002 (do not confuse with lines 1 and 2) are free of charge and both pass close to the venue: line 001 in particular has a stop in Plaza de España and connects it with Atocha train station. There are also night buses running all night. Beware that large baggage may not be allowed inside.
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BiciMad: Madrid may not be as bike-friendly as other major European cities, but cycling is definitely possible. There exists an e-bike sharing scheme called BiciMad, with stations located throughout the city. You can purchase tickets via the BiciMad app.
Traveling with children
Do you have a family and would like to bring them along to Madrid for Eurocrypt 2025?
Please contact us and we will do our best to assist you.
