Tanzania
Pia ina mito mingi ambayo inaelekeza maji yake katika Bahari ya Hindi mashariki mwa nchi, lakini mingine inachangia Mto Zambezi kupitia Ziwa Nyasa, michache Bahari ya Kati kupitia Ziwa Victoria na mto Naili, mingine tena Bahari Atlantiki kupitia Ziwa Tanganyika na mingine inaishia katika mabonde kama ya Ziwa Rukwa.
Wilaya za Tanzania 4
Bandamaji | Bwereu | Chaani Kubwa | Chaani Masingini | Chutama | Fukuchani | Gamba | Kandwi | Kibeni | Kidombo | Kidoti | Kigomani | Kigunda | Kijini | Kikobweni | Kilimani Unguja | Kilindi Unguja | Kinyasini | Kisongoni | Kivunge | Matemwe | Mchenza Shauri | Mkokotoni Unguja | Mkwajuni Unguja | Moga | Mto wa Pwani | Muwange | Nungwi | Pale | Pitanazako | Potoa | Pwani Mchangani | Tazari | Tumbatu Gomani | Tumbatu Jongowe | Uvivini