It is the largest suburb of the city of Nantes, and lies adjacent to its west side.

The commune is named after the 7th-century AD Saint Hermeland (French: Herblain and other names; Hermelandus in Breton and Latin), abbot and confessor under the Frankish king Chlothar III.

Historical population

Year Pop. ±% p.a. 1793 2,000 —     1800 1,830 −1.26% 1806 2,302 +3.90% 1821 2,192 −0.33% 1831 2,388 +0.86% 1841 2,375 −0.05% 1846 2,267 −0.93% 1851 2,410 +1.23% 1856 2,449 +0.32% 1861 2,482 +0.27% 1866 2,607 +0.99% 1872 2,578 −0.19% 1876 2,611 +0.32% 1881 2,569 −0.32% 1886 2,603 +0.26% 1891 2,683 +0.61% 1896 2,508 −1.34% 1901 2,535 +0.21%	Year Pop. ±% p.a. 1906 2,589 +0.42% 1911 2,664 +0.57% 1921 2,874 +0.76% 1926 3,345 +3.08% 1931 3,981 +3.54% 1936 4,678 +3.28% 1946 5,506 +1.64% 1954 7,636 +4.17% 1962 11,990 +5.80% 1968 17,568 +6.57% 1975 39,867 +12.42% 1982 41,958 +0.73% 1990 42,774 +0.24% 1999 43,726 +0.24% 2007 43,516 −0.06% 2012 43,287 −0.11% 2017 46,268 +1.34%
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Source: EHESS and INSEE (1968-2017)

In 2008, 0,36% of the children attended the bilingual schools in primary education. The school network in Breton Diwan has opened a college in Saint-Herblain, the first in the area.

The Gare de Basse-Indre-Saint-Herblain railway station is served by regional trains between Nantes and Saint-Nazaire.

• 110 metres tall telecommunication tower built of concrete [1]

Saint-Herblain is twinned with:

• Sankt Ingbert, Germany, since 1981
• Waterford City, Ireland, since 1986 where a housing estate is named after the suburb, St Herblain Park
• Viladecans, Spain, since 1991
• N’Diaganiao, Senegal
• Kazanlak, Bulgaria, since 2008
• Cleja, Romania

• Communes of the Loire-Atlantique department

• Official website (in French)

Wikimedia Commons has media related to Saint-Herblain.