Erzgebirgskreis I is an electoral constituency (German: Wahlkreis) represented in the Bundestag. It elects one member via first-past-the-post voting. Under the current constituency numbering system, it is designated as constituency 163. It is located in southwestern Saxony, comprising most of the Erzgebirgskreis district.^[1]

Erzgebirgskreis I was created for the 2009 federal election. Since 2021, it has been represented by Thomas Dietz of the Alternative for Germany (AfD).^[2]

Erzgebirgskreis I is located in southwestern Saxony. As of the 2021 federal election, it comprises the entirety of the Erzgebirgskreis district excluding the municipalities of Hohndorf, Jahnsdorf, Neukirchen, Oelsnitz, Thalheim, and Zwönitz and the Verwaltungsgemeinschaften of Burkhardtsdorf, Lugau, and Stollberg.^[1]

Erzgebirgskreis I was created in 2009 and contained parts of the abolished constituencies of Bundestagswahlkreis Freiberg – Mittlerer Erzgebirgskreis and Annaberg – Aue-Schwarzenberg. In the 2009 election, it was constituency 165 in the numbering system. In the 2013 through 2021 elections, it was number 164. From the 2025 election, it has been number 163. Its borders have not changed since its creation.

The constituency was first represented by Günter Baumann of the Christian Democratic Union (CDU) from 2009 to 2017. He was succeeded by Alexander Krauß in 2017. Thomas Dietz won the constituency for the Alternative for Germany (AfD) in 2021.