Cardassia III
Cardassia III was the inhabited third planet of the Cardassian system, in the Alpha Quadrant. The planet was affiliated with the Cardassian Union. 

In 2371, Grand Nagus Zek managed to acquire the Orb of Wisdom from a contact on this planet. ()

In 2375, the location of Cardassia was labeled on a tactical map that was displayed in the wardroom of Deep Space 9. (, okudagram)

Later that year, the position and orbital path of Cardassia III was illustrated on a tactical map that was displayed in the wardroom of Deep Space 9. (, okudagram)

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Cardassia 03