<![CDATA[The proposed division of Mamuju Regency into a new autonomous city (Kota Mamuju), covering six sub-districts, will leave five sub-districts as the remaining regency territory. Existing impact assessments are largely administrative-normative and typically tally facility counts per village without accounting for point-level location or actual distance. This study measures the spatial impact of the division using 101 village boundary polygons and 1,032 facility coordinate points (health, education, banking, economy) from Infrastructure Podes 2026, through centroid computation, Haversine geodesic distance, and a cross- region dependency percentage. Results show all four hospitals and 95.7% of banking units are concentrated in the proposed city area, so all (100%) villages in the remaining territory depend on hospitals outside their own jurisdiction, at a mean distance of 63 km. The division is concluded to pose a significant accessibility gap for the remaining territory, warranting mitigation through strengthened referral facilities before the city's formal establishment.]]>
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