Hajdú-Bihar 04 Hajdú-Bihar 4. OEVK constituency HU OEVK 2014 Mandates 3 DV Dr. Vitányi István József constituency 2022-05-02 – 2026-05-08 2022–2026 DV Dr. Vitányi István József constituency 2018-05-08 – 2022-05-01 2018–2022 DV Dr. Vitányi István József constituency 2014-05-06 – 2018-05-07 2014–2018