Bern is also served by Bern Airport, located outside the city near the town of Belp. The regional airport, colloquially called Bern-Belp or Belpmoos, is connected to several European cities. Additionally Zurich Airport, Geneva Airport and EuroAirport Basel-Mulhouse-Freiburg also serve as international gateways, all reachable within two hours by car or train from Bern.
What is the name of the regional airport? (If the question is unanswerable, say "unanswerable")
Bern-Belp or Belpmoos