Xaisomboun (also Saysomboun, Lao ໄຊສົມບູນ) was a special zone ("khetphiset") of Laos, located in the north of the country, near the capital Vientiane.
Сайсомбун (лао: ໄຊສົມບູນ) — особая зона ("khetphiset"), существовавшая в Лаосе к северу от столицы Вьентьяна.