BRV was the previously expected IATA code for Brasov in Romania which ended up being allocated code GHV. Brasov (or strictly speaking, Brasov-Ghimbav) airport will open properly to commercial passenger flights on 15 June 2023.
You can read more about this on a Romanian blog at
https://boardingpass.ro/ghv-este-cod...ui-din-brasov/
Bremerhaven (BRV) airport closed permanently several years ago. Bremen has IATA code BRE. Wizzair will open a route 3x weekly from Luton to Brasov on 2 August 2023, in competition with Danair who will fly Gatwick-Brasov from 16 June. An A321 with 230 seats flown 3x weekly in each direction for 22 weeks comes to 30,360 seats