Tsibirin Marshall wata ƙasa ce mai cin gashin kanta da ke cikin Tekun Pasifik kusa da equator, mai kunshe da atolls 29 da tsibirai guda biyar. Ta sami 'yancin kai daga Amurka a 1986 kuma Majalisar Dinkin Duniya ta amince da ita a matsayin kasa mai cin gashin kanta. Babban birni shi ne Majuro, kuma yawan jama'a kusan mutane 58,000 ne. Tsibirin Marshall an san su da kyawawan rairayin bakin teku da murjani, kuma sun taka muhimmiyar rawa a tarihin gwajin makaman nukiliya a lokacin yakin cacar baki.