Ir para o conteúdo principal

Portal do IDN

Destaques

Events

Webminar | “NATO Deterrence and Defence after the Ankara Summit: How Allies are Strengthening Defence"

Register until the 10th of July
Others

Applications Open: Atlantic Security Award

From the 18th of March to the 8th of May 2026
Events

II Latin Polar Science Workshop

April 16, 2026

IDN Brief | Quatro Anos de Guerra na Ucrânia: O Novo Tabuleiro Geopolítico da Europa

Latest news

Webminar | “NATO Deterrence and Defence after the Ankara Summit: How Allies are Strengthening Defence"

Events | 02 Jul 2026

Applications Open: Atlantic Security Award

Others | 23 Mar 2026

II Latin Polar Science Workshop

Events | 16 Mar 2026

Conference “Hybrid Threats – Countering Complexity in an Interconnected World”

Events | 24 Feb 2026

Conference “Hybrid Threats – Countering Complexity in an Interconnected World”

Events | 06 Feb 2026

Conferência “Portugal, 70 Anos na ONU (1955-2025)”

Events | 05 Dec 2025

Conference “Celebrating Three Decades of EU Membership of Austria, Finland and Sweden”

Events | 20 Nov 2025

Advanced Diplomacy for Peace, Security and Defence Course

Formation | 07 Nov 2025

VII Atlantic Centre Seminar “Climate Change and Security Challenges in the Atlantic”

Events | 31 Oct 2025

I Latin Polar Science Workshop

Events | 07 Oct 2025

I Latin Polar Science Workshop

Events | 09 Sep 2025

SAVE THE DATE | I LATIN POLAR SCIENCE WORKSHOP

Events | 04 Sep 2025

"The Challenges of European Cybersecurity"

Formation | 25 Jul 2025

“NATO after Hague Summit: Deterring and Defending for the Future"

Events | 02 Jul 2025

Webinar “NATO after the Hague Summit: Deterring and Defending for the future”

Events | 18 Jun 2025

Agenda

Agenda
23
February

Conferência Internacional “Ameaças Híbridas – Responder à Complexidade num Mundo Interconectado”

23 de fevereiro

16
April

II Latin Polar Science Workshop

April 16, 2026

10
July

Webminar | “NATO Deterrence and Defence after the Ankara Summit: How Allies are Strengthening Defence"

Register until the 10th of July

Library
News
Framework
Education for Citizenship
Atena #47
The Return to Europe – The International Position of Portuguese Democracy

Logo do Instituto da Defesa Nacional

                       
LOCATION

Calçada das Necessidades, 5
1399-017 Lisboa
+351 211 544 700
idn.instituto@defesa.pt
Oporto Delegation
Castelo da Foz
Esplanada do Castelo
4150-196 Porto
+351 220 734 581
idn.secretariaporto@defesa.pt
USEFUL LINKS

OTHER CONTACTS

Planning Unit
idn.planeamento@defesa.pt

Editorial Unit
idn.publicacoes@defesa.pt

IT and AV Unit
idn.web@defesa.pt

Public Relations and Communication Unit
idn.relacoespublicas@defesa.pt

Library
idn.biblioteca@defesa.pt
  • © 2026 SGMDN