Orendal V was the fifth planet in its star system, in the Delta Quadrant.

In 2376, Lansor claimed that the Borg synaptic relays he offered Seven of Nine were obtained from a trader on Orendal V. (VOY: "Survival Instinct")

This planet was only mentioned in dialogue.
According to Star Trek: Star Charts (p. 90), the Orendal system was located in non-aligned space. This system was a single star system. The primary was a class M star with a magnitude of +5, which was the same brightness as Sol.