Ambérieu-en-Bugey (French pronunciation: [ɑ̃beʁjø ɑ̃ byʒɛ, byʒe] ⓘ; Arpitan: Ambèriô) is a commune in the Ain department, Auvergne-Rhône-Alpes region, France.

[3] It is the largest town in the arrondissement of Belley and the seat of the canton of Ambérieu-en-Bugey which consists of 18 communes.

The town is known for being an important railway junction (around Ambérieu station), but also for winning the Croix de guerre 1939-1945 with citation at the Liberation.

Ambérieu-en-Bugey is located at the foot of the western foothills of the Jura mountains of Bugey and opens onto the plain of Ain at the mouth of the gorge of Albarine.

However, the city contains significant seasonal differences between the warm to hot summers and the cool to cold winters.

[16] On 7 June 1944 an operation was organized by resistance railway workers and maquisards to disable 52 locomotives and much other equipment.

Finally, in 1928, the Caudron flight school moved from Le Crotoy in the Somme to Ambérieu-en-Bugey.

The first element designates the Gauls ( Celtic people ) of Ambarri whose name meant "living on both (*amb) sides of the Saone (Arar, the Saône)" or was a Gallic anthroponym Ambarrius.

A number of archaeological discoveries relating to antiquity have been made in Ambérieu-en-Bugey:[22] In the Middle Ages Ambérieu belonged to Bugey which, like Vaud, was acquired by Amadeus VI of Savoy, after signing the Treaty of Paris with France in 1355 which set the limits of the Duchy of Savoy and the Dauphiné.

Pérouges, a city of Savoy located on the plains played a commercial role at the border with France until the Treaty of Lyon.

During Christmas an independent resistance fighter, Marcel Demia a Market gardener and Horticulturalist from the Ambérieu-en-Bugey commune went there to visit his parents.

Their shared commitment motivated Henri Romans-Petit to create a Resistance organization in the department of Ain.

[24] Marcel Demia spoke of some young resistance fighters who he placed on isolated farms and the difficulties encountered in his organization.

Henri Romans-Petit arrived in Ain in 1942[25] and began to help the resistance fighters of the STO and his host.

[1] List of Successive Mayors of Ambérieu-en-Bugey[29] The commune, at the instigation of Saint-Vulbas and Pérouges has been experimenting with a weed control plan that does not involve the use of chemicals[31] An integral part of the Community of communes of the plain of Ain, Ambérieu-en-Bugey commune participates in actions such as air quality control as quality is potentially undermined by the proximity of the industrial park of the Plain of Ain.

Advocacy undertaken by opposition movements are varied: broadcasts,[33][34] a documentary called Gasland - in June 2011, and demonstrations[35] at Blyes the main town in the region concerned.

The second, the Salon du Gourmet is held each year in November with dozens of exhibitors from all over France to show their crafts.

The Association for autobiography and autobiographical heritage located in Ambérieu-en-Bugey also organizes ad hoc cultural events.

Several medical centres are based in Ambérieu-en-Bugey: other than the mutual clinic there is a maternity unit in the town, a medical practice at Allymes, the Paul-Mourlon centre for early medico-social action, and the specialized home care service also named Paul-Mourlon.

The town has several sports facilities: the Cordier, Bellievre, Saint-Exupéry, and Plaine de l'Ain gyms.

Voix de l'Ain is a weekly publication offering local information for different regions of the department.

Le Journal du Bugey is a weekly publication more focused on information for the Ambérieu-en-Bugey area and its surroundings.

The second is run by the Union of Muslim Associations for the Lyon Area and is located on Avenue Paul Painlevé.

[19] In 2017 the population of Ambérieu-en-Bugey aged between 15 and 64 was distributed as follows: 76.2% of active people, 11.3% unemployed, 9.5% student or trainee, and 6.1% of retirees.

At 31 December 2015, Ambérieu-en-Bugey had 1,337 business establishments: 52 were specialized in industrial activity, 131 in construction, 907 in trade, 7 in agriculture, and 142 were in public administration, education, health and social work.