You may be looking for:

• Bergen, Norway
• Bergen, Belgium, see Mons
• Bergen, Hessen (Germany)
• Bergen, Lower Saxony (Germany)
• Bergen, Mecklenburg-Western Pomerania (Germany)
• Bergen, Limburg (Netherlands)
• Bergen, North Holland (Netherlands) (comprising Bergen aan Zee)
• Bergen (town), New York (United States)
• Bergen (village), New York (United States)
• Bergen, Wisconsin (United States)
• Bergen County, New Jersey (United States)
• Bergen Woodwind Quintet

Or perhaps:

• Bergen op Zoom (Netherlands)
• concentration camp Bergen-Belsen
• Spitzbergen, a.k.a. Svalbard

• a bergen is also a type of rucksack used by the British Armed Forces.