Fredriksten
[da] Fredriksten
[de] Festung Fredriksten
[eo] Fredriksten
[es] Fredriksten
[et] Fredriksten
[fi] Fredrikstenin linnoitus
[it] Fredriksten
[nn] Fredriksten
[nb] Fredriksten festning
[pl] Twierdza Fredriksten