Southwest Sumba Regency
Southwest Sumba Regency is a regency on Sumba Island in East Nusa Tenggara province of Indonesia. Established on 2 January 2007 out of parts of West Sumba Regency, the regency has its seat in Tambolaka, while Bondokodi in the largest village in the west. Its population was 283,818 in the 2010 decennial census and had risen to 303,650 at the 2020 census; the official estimate as at mid 2024 was 328,771 (comprising 168,155 males and 160,616 females
Administrative districts
The Southwest Sumba Regency when created was composed of eight districts, but since 2010, three additional districts have been created within the Regency, by the splitting of existing districts. The areas and the populations of the districts at the 2010 census and the 2020 census are listed below, together with the official estimates as at mid 2024. The table also includes the locations of the district administrative centres, and the number of administrative villages in each district.| Kode Wilayah | Name of District | Area in km2 | Pop'n census 2010 | Pop'n census 2020 | Pop'n estimate mid 2024 | Admin centre | No. of villages | Post code |
| 53.18.06 | Kodi Bangedo | 75.98 | 36,057 | 17,220 | 18,060 | Walla Ndimu | 15 | 87264 |
| 53.18.11 | Kodi Balaghar | 125.22 | 17,980 | 18,857 | Panenggo Ede | 14 | 87262 | |
| 53.18.07 | Kodi | 75.28 | 31,223 | 30,010 | 31,480 | Bondo Kodi | 19 | 87261 |
| 53.18.08 | Kodi Utara | 220.39 | 50,864 | 48,860 | 52,009 | Kori | 21 | 87260 |
| Totals western part | 496.87 | 118,149 | 114,070 | 120,406 | 69 | |||
| 53.18.05 | Wewewa Selatan | 187.23 | 21,691 | 22,800 | 24,379 | Tena Teke | 14 | 87263 |
| 53.18.04 | Wewewa Barat | 156.46 | 45,482 | 42,270 | 47,372 | Waimangura | 20 | 87253 |
| 53.18.03 | Wewewa Timur | 133.16 | 53,911 | 26,410 | 28,063 | Elopada | 19 | 87250 |
| 53.18.10 | Wewewa Tengah | 104.53 | 31,160 | 33,891 | Ndapa Taka | 20 | 87252 | |
| 53.18.02 | Wewewa Utara | 43.37 | 11,638 | 12,640 | 13,682 | Palla | 12 | 87251 |
| 53.18.01 | Loura | 158.79 | 34,037 | 18,540 | 23,439 | Karuni | 11 | 87254 |
| 53.18.09 | Kota Tambolaka | 104.53 | 35,790 | 37,539 | Tambolaka | 10 | 87255 | |
| Totals eastern part | 888.07 | 166,759 | 191,762 | 208,365 | 106 |
Notes: The 2010 census populations of Kodi Balaghar is included with the figures for Kodi Bangedo, from which it was split.
including the desa of Wee Wella, which is an exclave separated from the rest of the district by a detached part of Kota Tambolaka District.
The 2010 census populations of Kota Tambolaka and Wewewa Tengah Districts are included with the figures for the districts from which they were split.
including the desa of Wee Kambala, which is an exclave separated from the rest of the district by Kota Tambolaka District.
including the two kelurahan of Waitabula and Langga Lero ; the district also includes the desa of Kalembu Kaha, which is an exclave separated from the rest of the district by Wewewa Barat and Kodi Utara Districts.
The Kalaki Kambe desa forms a salient from the rest of that district towards the north coast of Sumba island, reaching the coast between the desa of Wee Wella and Kalembu Kaha to the west and the desa of Wee Kambala to the east. The populations in 2023 of these detached desa were as follows:
| Kode Wilayah | Name of village | Name of District | Area in km2 | Pop'n estimate mid 2023 |
| 53.18.09.2010 | Kalembu Kaha | Kota Tambolaka | 11.79 | 3,275 |
| 53.18.08.2015 | Wee Wella | Kodi Utara | 16.94 | 2,315 |
| 53.18.04.2015 | Kalaki Kambe | Wewewa Barat | 9.69 | 2,166 |
| 53.18.01.2015 | Wee Kambala | Loura | 8.37 | 1,133 |
| Totals | 46.79 | 8,889 |
Tourism
[file:Houses of Wainyapu, Sumba|Wainyapu, Kodi.jpg|thumb|Wainyapu]Several tourist attractions in this district have been widely explored and visited by a variety of local and foreign tourists, but there are only a few who have access to roads and adequate facilities and infrastructure available, namely Mananga Aba Beach, Mbawana beach, Oro Beach, Kawona Beach, Newa Beach, Pantai Waikelo, Sumba Cultural Home, Lake Saltwater Weekuri, and Pabeti Waterfall.
This district includes several traditional villages such as Wainyapu and on the south-west coast, and others inland. Wainyapu is particularly rich in dolmens, which - as of 2021 - are still built for collective graves.