Gelsenkirchen was created in 1949. From 1965 through 1998, it was named
Gelsenkirchen I. It acquired its current name in the 2002 election. In the 1949 election, it was North Rhine-Westphalia constituency 40 in the numbering system. From 1953 through 1961, it was number 99. From 1965 through 1976, it was number 97. From 1980 through 1998, it was number 93. From 2002 through 2009, it was number 124. In the 2013 through 2021 elections, it was number 123. From the 2025 election, it has been number 122. Originally, the constituency was coterminous with the city of Gelsenkirchen. From 1965 through 1976, it comprised the
Stadtteile of Hassel,
Buer, Horst, Heßler, and Rotthausen. From 1980 through 1998, it comprised the
Stadtbezirke of Mitte, West, and Süd. Since the 2002 election, it has again been coterminous with the city of Gelsenkirchen. ==Members==