Colcha "K" Municipality is the first municipal section of the Nor Lípez Province in the Potosí Department in Bolivia.

Its seat is Colcha "K" or Villa Martín.

The municipality lies at the Uyuni salt flat.

Some of the highest mountains of the municipality are listed below:[1][2][3][4][5] The municipality consists of the following cantons:[6] The people are predominantly indigenous citizens of Quechua descent.

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