This will be President Niinistö's first visit to Brussels during his term of office.
The programme includes meetings with Donald Tusk, President of the European Council, Jean-Claude Juncker, President of the European Commission, and Martin Schulz, President of the European Parliament.
In addition, President Niinistö will meet Commission Vice-President Jyrki Katainen, as well as Ilkka Salmi, Director of the EU Intelligence Analysis Centre, and Georgij Alafuzoff, Director of the Intelligence Directorate of the European Union Military Staff.
The meetings will cover topical foreign and security policy issues in particular, including relations with Russia, the situation in Ukraine, the development of the EU's common security and defence policy, and terrorism.
Stubb to Davos
On Wednesday through Friday, Prime Minister Alexander Stubb will attend the annual meeting of the World Economic Forum (WEF) in Davos, Switzerland. This year the forum is focusing on stability and growth, cooperation in crisis situations, the global security situation and industrial innovations.
During the meeting, Prime Minister Stubb will attend a panel discussion debating economic growth and political stability in Europe. The panel participants will also include the Dutch Prime Minister Mark Rutte, Polish Prime Minister Ewa Kopacz and Portuguese Prime Minister Pedro Passos Coelho.
Stubb's programme also includes one-on-one talks, business visits and meetings with the international media.
Approximately 2,500 participants from 140 countries, including more than 40 Heads of State or Government, are expected to attend the forum.