Vinnytsia II (single-mandate constituency)

No.12
single-mandate constituency
Province	Vinnytsia Oblast
Polling divisions	115
Population	177,067 (2014)
Major settlements	Vinnytsia, 2 urban-type settlements, 33 villages
Current single-mandate constituency
Created	For the 1998 election
Seats	1 MP
Election	2014
MP elected	Oleksiy Poroshenko (P. Poroshenko Bloc), 64.04%
Party lists	P. Poroshenko Bloc, 44.08% People's Front, 17.96% Self Reliance, 10.44% Svoboda, 5.52% Fatherland, 5.18%
Turnout	56.68%, 100,327 votes

The No.12 single-mandate constituency (Ukrainian: Одномандатний виборчий округ №12, Odnomandatnyi vyborchyi okruh №12), shortened to OVO No.12 (Ukrainian: ОВО №12) is one of 225 electoral districts that elects a member of parliament (people's deputy) to the Verkhovna Rada, Ukraine's national parliament.

Ukraine's electoral system is based on the mixed-member proportional representation system, which stipulates that half of a countries MPs are elected from proportional party lists, with the other half elected from first-past-the-post constituencies. A constituency's votes for a political bloc or party is tallied up with the rest of the 224 constituencies to determine the results of the proportional representation voting.

It was created in 1998 and has only been won by two MPs; current President Petro Poroshenko, who has represented the constituency in three different convocations of parliament, and his son Oleksiy Poroshenko, who currently represents the constituency from the Petro Poroshenko Bloc.

The No.12 single-mandate constituency is located in north-central Vinnytsia Oblast (province) in Ukraine, representing half of the province's administrative center, Vinnytsia, its districts, Leninskyi, Staromiskyi, and Zamostianskyi Raions; the urban-type settlements of , ; and 33 villages.

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