Wizz Air Bases
Below is a list showing where current fleet of 153x aircraft belonging to Wizz Air, Wizz Air UK and Wizz Air Abu Dhabi are currently based.
I'm sure this number fluctuates a little, but hopefully if gives a good overview (bases with over 5 or 10 aircraft have been highlighted):
Romania - 28
Bucharest Otopeni (OTP) - 11
Cluj-Napoca (CLJ) - 6
Iasi (IAS) - 5
Craiova (CRA) - 2
Timisoara (TSR) - 2
Bacau (BCM) - 1
Sibiu (SBZ) - 1
Poland - 22
Warsaw Chopin (WAW) - 8
Gdansk (GDN) - 6
Katowice (KTW) - 5
Kraków (KRK) - 2
Wroclaw (WRO) - 1
Italy - 19
Rome Fiumicino (FCO) - 5
Milan Malpensa (MXP) - 4
Catania (CTA) - 3
Naples Capodichino (NAP) - 2
Venice Marco Polo (VCE) - 2
Bari (BRI) - 2
Palermo (PMO) - 1
UK - 17
London Luton (LTN) - 11
London Gatwick (LGW) - 5
Cardiff (CWL) - 1
Hungary - 14
Budapest (BUD) - 13
Debrecen DEB - 1
Albania - 8
Tirana (TIA) - 8
Bulgaria - 8
Sofia (SOF) - 6
Varna (VAR) - 2
North Macedonia - 5
Skopje (SKP) - 5
Austria - 4
Vienna (VIE) - 4
UAE - 4
Abu Dhabi (AUH) - 4
Bosnia and Herzegovina - 4
Sarajevo (SJJ) - 2
Tuzla Int'l (TZL) - 2
Serbia - 3
Belgrade (BEG) - 3
Lithuania - 3
Vilnius (VNO) - 3
Cyprus - 2
Larnaca (LCA) - 2
Georgia - 1
Kutaisi (KUT) - 1
Ukraine - 4 (Aircraft are stuck in Ukraine)
Kyiv Igor Sikorsky (IEV) - 3
Lviv (LWO) - 1
Note - 7x aircraft not listed above are currently in maintenance, being repaired or are standby aircraft (in BUD, OTP, GDN, KTW, MXP, KUT)