Orekhovo–Borisovo constituency

The Orekhovo-Borisovo сonstituency (No.203) is a Russian legislative constituency in Moscow. The constituency covers dense residential areas in outer Southern Moscow.

The constituency has been represented since 2021 by United Russia deputy Yevgeny Nifantyev, a billionaire pharmaceutical businessman, who won the open seat, succeeding one-term United Russia incumbent Lyubov Dukhanina.

1993–1995 Kashirsky constituency: South-Eastern Administrative Okrug (Kapotnya District, Lyublino District, Maryino District, Pechatniki District), Southern Administrative Okrug (Brateyevo District, Orekhovo-Borisovo Severnoye District, Orekhovo-Borisovo Yuzhnoye District, Zyablikovo District)
The constituency covered residential areas in Southern and South-Eastern Moscow.

1995–2007: Southern Administrative Okrug (Biryulyovo Vostochnoye District, Brateyevo District, Moskvorechye-Saburovo District, Orekhovo-Borisovo Severnoye District, Orekhovo-Borisovo Yuzhnoye District, Tsaritsyno District, Zyablikovo District)
After the 1995 redistricting the constituency was significantly altered and renamed "Orekhovo-Borisovo constituency", losing its portion of South-Eastern Moscow to Lyublino constituency (Kapotnya, Lyublino and Maryino) and Avtozavodsky constituency (Pechatniki. This seat instead gained Biryulyovo Vostochnoye, Moskvorechye-Saburovo and Tsaritsyno to its east from the former Nagatinsky constituency.

2016–present: Southern Administrative Okrug (Biryulyovo Vostochnoye District, Biryulyovo Zapadnoye District, Brateyevo District, Orekhovo-Borisovo Severnoye District, Orekhovo-Borisovo Yuzhnoye District, Tsaritsyno District, Zyablikovo District)
The constituency was re-created for the 2016 election and retained most of its former territory, losing Moskvorechye-Saburovo to Nagatinsky constituency in exchange for Biryulyovo Zapadnoye from Chertanovo constituency.