The seat includes the town of Colmar and then stretches eastwards towards the Rhine which forms the border with Germany.

The seat has followed the historic pattern of Alsace by supporting parties of the right over the PS and its allies.

[3] The deputy, Éric Straumann, was appointed Mayor of Colmar in 2020.

[4] This triggered the accumulation of mandates rule, so he left the National Assembly.

His substitute candidate, Brigitte Klinkert, was Minister Delegate for Economic Inclusion, so a by-election was called.