GUARANT International (further referred to also as The E&E Congress 2024 Secretariat) has been appointed as the official hotel accommodation agent and will gladly handle all related arrangements. Accommodation of various categories is provided at discounted prices near the Millenáris.

GUARANT International strongly advises all not to work with any unauthorized vendors/companies who may offer you hotel reservation services by phone / e-mail with "discounted convention prices" and try to obtain your personal data including credit card details.

List of hotels
Book it now and secure your hotel! Due to the local events in Budapest, June will be a time with high demand for accommodation.

All prices quoted are per room per night including breakfast, VAT and city tax. Should VAT or city tax change before the beginning of the Convention, The E&E Congress 2024 Secretariat will automatically change the price of your hotel room and inform you in writing about the new price.

Please note that the price of the accommodation is not included in the registration fees.

Group reservations

Group bookings cannot be made online as different terms and conditions apply. For further information, up to date availability and reservation, please contact The E&E Congress 2024 Secretariat at

Individual reservations

To make a hotel reservation, it is necessary to fill in the On-line Accommodation Form, which is the part of the On-line Registration Form. Your password is the same for both on-line forms. (Except of reservation in Hotel Barceló, Mercure Budapest Castle Hill and ibis Bupadest Castle Hill.)

Reservations will be processed on a “first come, first-served” basis. We recommend that you book your accommodation as soon as possible.

A full pre-payment is required to guarantee the reservation. After the full payment has been received, your hotel reservation will be confirmed in writing by e-mail. The full payment must be received on or before a payment due date, otherwise the reservation will be automatically cancelled.

Any change or cancellation of the hotel reservation must be sent in writing at Do not contact hotels directly (only in case of reservation in hotels Barceló Bupadest, Mercure Bupadest Castle Hill or ibis Budapest Castle Hill).
In case of cancellation of the event due to the force majeure, GUARANT International reserves the right to charge a handling fee.

The appropriate refunds will be made after the Convention.

Extra expenses related to the hotel accommodation must be settled by the guests directly at the hotel reception before their check-out. Hotel may ask for guarantee of extras by credit card preauthorisation or paying deposit.

Methods of payment

The accommodation fees must be paid in EUR by one of the following methods:

1. Credit or Debit Card

For credit or debit card payments, please use the On-line Payment System. The system is accessible with the password that you received upon the registration. The system accepts the following credit/debit cards: MasterCard/Eurocard and Visa.

2. Bank Transfer

The bank details including the 10-digit variable symbol will be automatically sent to your email address after submitting the accommodation form. Please note that payments without this variable symbol will not be identified and the accommodation will not be confirmed.

All bank transfer amounts should be minus bank charges. Any banking fees accrued from the transfer is the responsibility of each party.