Moscow City Duma District 21

1993–1997: Moskvorechye-Saburovo, Nagatino-Sadovniki, Nagorny, Tsaritsyno
The district covered parts of Southern Moscow.

1997–2001: Chertanovo Yuzhnoye, Moskvorechye-Saburovo, Tsaritsyno
The district continued to cover parts of Southern Moscow, however, it was moved southwards, ceding Nagorny and Nagatino-Sadovniki to District 20 and Nagorny District to District 24, while gaining Chertanovo Yuzhnoye from District 24.

2001–2005: part of Brateyevo, Chertanovo Yuzhnoye, Moskvorechye-Saburovo, Tsaritsyno
The district continued to cover parts of Southern Moscow and gained part of Brateyevo from District 22.

2005–2014: constituency abolished
Prior to the 2005 election the number of constituencies was reduced to 15, so the district was eliminated.

2014–2024: part of Ryazansky, part of Vykhino-Zhulebino^[2]
The district was created prior to the 2014 election, after Moscow City Duma had been expanded from 35 to 45 seats. It covers parts of South-Eastern Moscow.

2024–present: part of Maryino^[3]
During the 2023–24 Moscow redistricting the district was eliminated and split between districts 20 (Vykhino-Zhulebino) and 23 (Ryazansky District). In its new configuration the district is confined to Maryino, covering most of the raion, which was previously divided between district 22 and 25. It is the only Moscow City Duma district, covering only one raion.