Governs the capital city, providing municipal services including waste management, urban planning, street maintenance, and public health.

Offers essential administrative and documentation services for citizens in Kalutara, including welfare programs, civil registration, and local governance support.

Regional office serving the Gampaha area with civil services, citizen documentation, land administration, and local development coordination.

Provides administrative services including national identity cards, land registration, social benefits, and disaster relief coordination for the Colombo division.

Manages provincial hospitals, public health programs, and medical administration.