Hollande and Paris Mayor Anne Hidalgo unveiled a plaque in the Place de la Republique.
Public attendance at the event was low.
The site has come to represent Parisians’ solidarity since the attacks began on January 7th, 2015.
More than 150 people died when militants targeted Charlie Hebdo magazine, a kosher supermarket, a rock concert, cafes and the Stade de France.
Sunday’s ceremony brought a week of commemorations to a close.
French President unveils plaque in Paris
11 January 2016
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French President Francois Hollande has laid a plaque in Paris in honour of all those killed in extremist attacks in the city in 2015.
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