Cor Caroli V
Cor Caroli V was the inhabited fifth planet in the Cor Caroli system of the Alpha Quadrant. 

Cor Caroli V was the location of an outbreak of Phyrox plague in 2366. The  successfully eliminated the plague, and Starfleet Command classified the incident as secret. 

When Captain Jean-Luc Picard was kidnapped and held along with three other individuals of other species, one of which was actually one of the kidnappers posing as a Bolian Starfleet cadet named Mitena Haro, her knowledge of the Enterprise-D's visit to this planet led him to realize she might be an impostor. ()

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de:Cor Caroli V
ja:コル・カロリ5号星
Cor Caroli 05