With much speculation about the government's political balance after the appointment of centre-right politician Edouard Philippe as prime minister, newspaper Le Monde counted six centre-left ministers as opposed to two from the centre-right.
The crucial Economy Ministry will be run by prominent conservative Bruno Le Maire, 48, an important gesture to the right-wing Republicans party ahead of parliamentary elections next month.
Nicolas Hulot is a prominent environmental campaigner and documentary journalist whose television series promotes environmentalism while showing off handsome landscapes.
French President Emmanuel Macron has unveiled on Wednesday a diverse cabinet line-up of 11 men and 11 women as was promised during his campaign.
The president's loyalist Sylvie Goulard, a liberal member of the European Parliament, was appointed minister of the armies, responsible for defence.
Speaking about Macron's vision of the future of Europe, Viard highlighted that Europe had always been in the heart of the French project, and the president would "give Europe its appeal back in the eyes of the French people".
A few hours after taking office, Collomb made an unexpected visit to Paris' grand Champs-Elysees avenue, where a police officer was shot to death by an Islamic extremist last month.
Like Macron, Bayrou has a penchant for the literary and is the author of over a dozen books on history and politics, including one on French King Henry IV, who was famed for his contribution to the arts.More news: NKorea missile programme progressing faster than expected, says South
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"He is very thorough, knows his dossiers extremely well, and will be a big asset for European issues", a French diplomat who has worked with him in the past, told Reuters.
Having backed Macron early, Le Drian takes over the foreign affairs portfolio after holding the defence post for five years under Hollande.
Meanwhile the Republicans' deputy secretary general Éric Ciotti was quoted as calling the pro-Macron initiative "a slap" rather than an outstretched hand - suggesting supporting Republicans were opportunistically seeking a role in the new government.
The 52-year-old Goulard, the new defense minister, is a pro-European centrist politician.
Francois Bayrou, centrist leader of Modem, was named Justice Minister, and will be in charge of pushing through Macron's first law on "moralising" political life.
The first cabinet meeting takes place Thursday at 10 am London time.
Macron, 39, had delayed announcing the ministers after candidates were background-checked for their tax records and any potential conflicts of interest. They range from quirky to obscure to old-school: math genius Cedric Villani; former train and subway boss Anne-Marie Idrac; Axelle Tessandier, who created a startup in San Francisco before joining Macron's campaign; and a string of former ministers in Socialist and conservative governments.