Legal Notice

The entity that owns this website is the Directorate-General of the National Geographic Institute, part of the Ministry of Transport and Sustainable Mobility, with its headquarters at Calle General Ibáñez de Íbero, No. 3, Madrid. The website is managed and maintained by the Public Body National Centre for Geographic Information (CNIG) of the National Geographic Institute (IGN).

The content of this website is protected by the corresponding intellectual property rights.

The CNIG reserves the right to make changes to the portal without prior notice, in order to update, correct, modify, add or remove content from the portal or to modify its design.

This website contains links to external pages over which the CNIG has no control and therefore assumes no responsibility for the content that may appear on such sites. Likewise, the CNIG disclaims all liability for any damage or loss that may arise from the use of the tools or information contained on this website.

The most recent update of this website dates from November 2025.

Both the design of the Portal and its source code, as well as the logos, trademarks and other distinctive signs appearing on it, belong to the CNIG and are protected by the corresponding intellectual and industrial property rights.

The information available on this website, unless expressly stated otherwise, may be reused. Its total or partial reproduction, modification, distribution and communication, for commercial and non-commercial purposes, are authorised, subject to the following conditions:

• Any distortion or misrepresentation of the information content is prohibited under all circumstances.
• The user is required to cite the source of the documents, images and materials subject to reuse, using the following wording:
  "© National Astronomical Observatory. National Geographic Institute, 2025."
• The user is required to indicate the date of the information subject to reuse, provided that it is included in the original document.
• Credits for the background image on the home page: ESO (European Southern Observatory) / P. Horálek / Solar Wind Sherpas project.

The user must access the website and use its contents correctly and lawfully and, in particular, undertakes to make use of the tools and/or services offered through the website in accordance with the legislation in force at any given time.

The user may not use this website for any illegal or prohibited purpose, and any action that is detrimental to the IGN, the CNIG or third parties is expressly prohibited.

The total or partial reproduction of the contents of this website is prohibited without citing the source or obtaining prior authorisation.

The following general conditions apply to the reuse of the contents included on this portal:

• Any distortion of the meaning of the information is prohibited.
• The source of the documents subject to reuse must be cited. This citation may be made as follows: "Source: National Geographic Institute, based on calculations carried out by the National Astronomical Observatory". In the case of photographs and images on this website that include information about their source or credits, these must be reproduced exactly as they appear on the website, without removing the source or credit information.
• The date of the last update of the documents subject to reuse must be indicated, provided that it is included in the original document.

Exclusion of liability

The use of data sets shall be carried out by users or reuse agents at their own risk and responsibility, and they alone shall be liable to third parties for any damage that may arise from such use.

The IGN and the CNIG shall not be responsible for the use made of their information by reuse agents, nor for any damage suffered or economic losses which, directly or indirectly, may cause economic, material or data-related harm resulting from the use of the reused information.

The IGN and the CNIG do not guarantee the continued availability of reusable documents, either in terms of content or format, nor do they assume any responsibility for any errors or omissions contained therein.

Responsibility of the reuse agent

The reuse agent is subject to the applicable regulations on the reuse of public sector information, including the penalty regime provided for in Article 11 of Law 37/2007, of 16 November, on the reuse of public sector information.

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