A320
Flight Crew Multiengine; Flight Crew Air Transport Pilot (ATP); Flight Crew Instrument
Flight Crew Last 90 Days 153; Flight Crew Total 8340; Flight Crew Type 7650
Situational Awareness
ATC Issue All Types; Deviation / Discrepancy - Procedural Clearance; Inflight Event / Encounter CFTT / CFIT
Air Traffic Control Provided Assistance; Flight Crew Returned To Clearance
Human Factors
On a night approach to ILS XX ZZZ; we requested and were being vectored for an ILS to Runway XX. We were just northeast of the ZZZZZ fix on the ILS on a modified left base; on vectors. We were level at 6000 feet with the autopilot on. We were at 210 knots; Flaps 1 and slowing to 190 knots. We were receiving delaying vectors due to traffic inbound for Runway XY and our procedure to only use Runway XX at night. We received a Terrain Warning and executed the proper procedure for 'Terrain; Terrain'. During the procedure (I was flying) the First Officer notified ATC that we were responding to a Terrain Warning. We then received clearance to level at 8000 feet; which we did. (We only received one warning). We then received another vector to intercept the ILS and a clearance for the approach. We executed a normal approach and landing after that to Runway XX. ATC asked us to contact them on arrival. I called ATC (ZZZ Tracon) and spoke with the Tracon Supervisor who was also on duty vectoring us. He said that they had looked this over and that we were inside the 6000 foot MVA [Minimum Vectoring Altitude] corridor and that the nearest obstacle was 11 miles away at 5500 feet.
A320 Captain reported receiving a Terrain warning and violating a Minimum Vectoring Altitude area.