Gecina is a French real estate group that owns, manages and develops property holdings worth 20 billion euros by end-June 2020, with nearly 97% located in the Paris Region.

The Group's business is built around the leading office portfolio in France and Europe, alongside residential assets and student residences, with over 9,000 apartments.

In 2003, Gecina adopted the “SIIC” real estate investment trust status (société d’investissement immobilier cotée) enabling it to diversify its portfolio and develop its presence in the commercial sector.

[citation needed] On July 21, 2018, Gecina sold chain restaurants belonging primarily to Léon de Bruxelles and Courtepaille [fr] for nearly 20 million euros.

Gecina's portfolio includes properties designed by leading French and international architects including Ateliers Jean Nouvel, Jean-Paul Viguier, Valode & Pistre, Skidmore, Owings and Merrill, Atelier Zündel Cristea, Elisabeth Naud & Luc Poux, Foster + Partners, Franklin Azzi, Anthony Béchu, CALQ, Chaix & Morel [fr], DTACC, François Leclercq, Jean Dubuisson, Dusapin-Leclercq, Franck Hammoutène, Lobjoy & Bouvier, and Pei Cobb Freed & Partners.