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Mawasangka District on Buton Tengah’s Limestone Coast

Mawasangka District is the largest and most populated of the seven subdistricts inside Buton Tengah Regency, covering roughly 229 square kilometres on the southern coast of Muna Island. Two kelurahan, Mawasangka and Watolo, sit alongside sixteen desa spread across a terrain of limestone outcrops and open savanna, a landscape that sets the district apart from the gentler farmland found in parts of Gu and Lakudo elsewhere in the regency.

With a 2020 census population of just under 29,000, rising past 32,000 by the mid-2020s, Mawasangka carries more people than any other subdistrict in Buton Tengah, and its villages combine coconut farming, cashew income and fishing in a mix that reflects both the limestone coast and the open country behind it.

Villages and Kelurahan

Mawasangka kelurahan and Watolo kelurahan form the district’s two urbanised centres, with Mawasangka itself giving the district its name and functioning as its administrative seat. The sixteen desa around them are Air Bajo, Balo Bone, Banga, Dahiango, Gumanano, Kanapa-Napa, Kancebungi, Matara, Napa, Oengkolaki, Polindu, Tanailandu, Terapung, Wakambangura, Wakambangura II, Wasilomata I and Wasilomata II. The duplicated names, Wakambangura and Wakambangura II, Wasilomata I and Wasilomata II, point to villages that were split from a single older settlement into two separate desa at some point in the district’s administrative history, a pattern repeated in several Buton Tengah subdistricts as their populations grew.

Desa such as Air Bajo and Terapung carry names that speak directly to the coastal setting many of Mawasangka’s villages share, while Kancebungi, Matara and Dahiango sit further into the district’s limestone interior, where savanna ground rather than tidal shoreline shapes daily life. Oengkolaki and Polindu fall between these two groups, close enough to the water for fishing to matter but set back enough that farming plots remain the larger part of household land. Across all sixteen desa, village layout tends to follow the same pattern found elsewhere in Buton Tengah: homes clustered along an access road, with farmland or shoreline extending out behind them rather than a dense town centre anywhere outside the two kelurahan.

Mawasangka kelurahan itself sits in a coastal setting, where residents are engaged mainly in trading and farming, with cashew trees providing part of the annual household income alongside other crops. That mix of trade and agriculture inside the main kelurahan contrasts with desa further along the coast or further inland, where fishing or coconut farming tend to dominate more specifically depending on a village’s position relative to the shoreline.

Limestone, Karst and Savanna Terrain

Mawasangka’s ground is limestone rock formation decorated by extensive savanna, a terrain quite different from the volcanic soils found in many other parts of Sulawesi. That limestone base belongs to the same Wapulaka Formation that geologists have mapped running through the wider Mawasangka district group, including the neighbouring Mawasangka Timur area, where it produces a classic karst landscape: caves, sinkholes known locally as dolina, and small lakes that form inside sinkhole depressions. The same limestone character that gives that formation its karst features underlies Mawasangka’s own savanna-covered ground, even where the open grassland look masks the rock beneath it.

For a visitor, that geology shows up as rolling, scrub-covered ground between villages rather than dense forest, interrupted by rock outcrops and the occasional depression where water collects after rain. It is a working landscape rather than a show landscape: the savanna supports grazing and some dryland cultivation, and the limestone itself has shaped where villages could be built and where farmland and open ground had to be worked around the rock.

The karst features mapped in the neighbouring Mawasangka Timur ground, caves with internal rock decorations, sinkholes and sinkhole lakes, are the clearest known example of what this limestone base can produce once water has worked on it long enough. Mawasangka proper shares the same rock unit, so while no single cave or sinkhole inside the district itself has been catalogued in the same study, the underlying geology gives a reasonable sense of what the ground beneath the savanna is actually doing: slowly dissolving limestone, shaping hollows and channels that surface water and rain follow long after a storm has passed.

Coconut, Cashew and Fishing

Coconut farming and its processing into copra and shell charcoal has been studied specifically in Mawasangka District, with research finding both products financially viable for the smallholders who produce them. That processing step, turning raw coconuts into copra for sale and burning the shells into charcoal, adds a layer of local industry on top of simple harvesting, and it gives Mawasangka’s coconut growers a second income stream beyond selling nuts alone.

Cashew trees also provide annual income for households in and around Mawasangka kelurahan, running alongside the coconut economy rather than replacing it. Fishing fills out the third strand of the district’s economy, particularly in desa closer to the shoreline, continuing the mixed fishing-and-farming pattern found across Buton Tengah’s coastal subdistricts. Regency-wide, Buton Tengah ranks among the more notable aquaculture producers in Southeast Sulawesi Province, and Mawasangka’s own coastal desa contribute to that output alongside their counterparts in Gu and Lakudo.

Together, coconut, cashew and fish give Mawasangka’s households more than one source of income across the year, which matters in a district where a single crop failure or a poor fishing season would otherwise hit harder. The combination also explains why the district supports the largest population in the regency: diversified smallholder and fishing income spread across sixteen villages sustains more households than a narrower single-crop economy could.

The copra and shell-charcoal processing studied in Mawasangka is a useful example of how a basic crop turns into two separate products rather than one. Copra, the dried coconut flesh, is the more familiar output and the one sold onward for oil pressing elsewhere, while the shells that would otherwise be waste are burned down into charcoal, giving smallholders a second, smaller income stream from the same raw coconut. Both steps can be carried out at household or small-group scale, which fits the pattern of scattered desa across Mawasangka rather than needing a single large processing site to make the economics work.

Position on Muna Island

Mawasangka sits on what is technically the southern mainland of Muna Island, inside a regency, Buton Tengah, whose own name points toward Buton Island even though none of its land actually lies there. That naming mismatch runs through the whole regency, and Mawasangka, as its largest and most populous subdistrict, is in some ways the clearest example of it: a large, limestone-floored stretch of Muna Island carrying a district and regency name that nods toward an island altogether to the north-east.

The regency’s administrative capital, Labungkari, sits in neighbouring Lakudo District rather than in Mawasangka itself, so residents and visitors look toward Lakudo for the regency’s central government functions even though Mawasangka outranks Lakudo in both area and population. That split between the largest district and the capital district is one of the more distinctive features of how Buton Tengah’s seven subdistricts relate to one another.

Mawasangka Among Buton Tengah’s Districts

Two subdistricts immediately next to Mawasangka in administrative terms, though separate from it, are Mawasangka Tengah District and Mawasangka Timur District, both carved from the broader Mawasangka area and both considerably smaller than the parent district in area and population. Talaga Raya District, covering part of Kabaena Island further south, extends the regency’s territory beyond Muna Island altogether, a reminder that Buton Tengah’s seven subdistricts are spread across more than one island despite forming a single regency.

That same regency traces its population’s customs back to the historical territory of the Sultanate of Buton, even as its physical land sits on Muna and Kabaena rather than Buton Island itself. Mawasangka’s own villages, large and comparatively populous as they are within the regency, carry that same layered identity: administratively and historically tied to Buton, geographically part of Muna.

Visiting Mawasangka District

A visit to Mawasangka suits anyone interested in the contrast between limestone-and-savanna terrain and a working coastal and farming economy, rather than someone seeking a single fixed attraction. Moving between Mawasangka kelurahan’s coastal trading-and-farming setting, the coconut and cashew smallholdings further inland, and desa such as Terapung or Tanailandu closer to the water gives a fuller sense of how the district’s sixteen villages differ from one another even while sharing the same limestone ground.

As with the rest of Buton Tengah, there is no single gateway town inside Mawasangka itself, and travel between its own villages works best at a village pace, confirming local road conditions rather than assuming a fixed route. Treating Mawasangka as the regency’s largest working district, rather than as a single destination, gives the most accurate sense of what a visit here actually involves.

Timing a visit around the district’s agricultural year is more useful than timing it around any fixed event: coconut harvesting and copra drying, cashew harvest, and the ordinary rhythm of small-boat fishing all shape when a given village is busiest and what a visitor is likely to see happening along its roads and shoreline. None of that runs on a published schedule, so asking locally once inside the district remains the most reliable way to understand what a particular desa is doing in a given week.