1. An extreme ultraviolet light generation device comprising:a chamber in which a target is irradiated with laser light and extreme ultraviolet light is generated; and
a target supply unit configured to eject a target into the chamber, the target supply unit including a nozzle member that includes an ejection face having an ejection port configured to eject the target into the chamber,
an angle ?1 defined by the ejection face and a gravity axis satisfying a condition of 0 degrees1<90 degrees, wherein
the nozzle member includes:
a substrate portion having a base face exposed to an inside of the chamber; and
a protruding portion having the ejection face at a tip of the protruding portion, the protruding portion being formed to protrude from the base face,
a diameter of the ejection port for the target, formed on the ejection face, is 2 micrometers or larger but 3 micrometers or smaller, and
a diameter of the ejection face is 10 micrometers or larger but 20 micrometers or smaller.