The Ministry of the Interior is a government ministry of the Central Galactic Union responsible for a variety of domestic concerns, most importantly the management and conservation of federal lands and natural resources owned by the Central Galactic Government. Its various departments' responsibilities include forestry and wildlife conservation, geological study and development, agricultural and rural development, aeronautics and space exploration, food supply and management, civil defence, customs and immigration, land management, administration of the Occupied Territories, colonial affairs, and alien affairs.

The Ministry of the Interior has often been humorously referred to as the "Ministry of Everything Else" due to its incredibly broad range of responsibilities. The Interior Ministry is administered by the Minister of the Interior.

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