Oqsu, daryoest dar Pomiri Sharqi, boloobi daryohoi Bartangu Murgob. Tulaash 222 kilometr, masohati havzaash 10 500 kilometr2. Az nishebihoi janubi qatorkuhi Va­khon cap shuda, 37 kilometrash az territoriyai Afgoniston va boqimondaash az territoriyai rayoni Murgobi Viloyati Avtonomii Badakhshoni Kuhi meguzarad. 15 kilometr sharqtar az posyolkai Murgob ba Oqsu daryoi Oqbaytali …

Oqsu, dehaest dar Soveti qishloqi Sebistoni rayoni Dangara, viloyati Kulob. Markazi sovkhozi ba nomi M. V. Frunze. Az deha to markazi Soveti qishloq 20 kilometr, to rayon 5 kilometr. Aholiash 1930 nafar (1981), aso­san tojikon. Maktabi miyona, 2 kitobkhona, klub, punkti tibbi, shubai aloqa, magazin, osiyo, ustokhonai chubu takhtaburi, fermai …

Oqsukon, kuli shurest dar rayoni Ashti viloyati Leninobod., Dar sohili rosti daryoi Sir, dar domanai kghi Qiziljar voqe ast. Masohat 8,8 kilometr2, tulash 5 kilometr, barash to 2,5 kilometr; chuquriash qarib 1 metr. Bahoron kul az obhoi barfu boron pur meshavad, tobiston obash dar natijai bukhorshavii ziyod khushk shuda, qabati …