Draco is a Northern Hemisphere constellation otherwise known as the Dragon. It is one of the 48 Greek constellations originally described by the 2nd century astronomer Claudius Ptolemy (Wikipedia). Draco remains one of the 88 modern constellations defined by the International Astronomical Union (Wikipedia).
Draco (abbrev. = Dra; genitive = Draconis) covers 1083 square degrees or 2.63% of the celestial sphere making it the 8th largest constellation. It contains 211 stars brighter than apparent magnitude 6.5, the brightest star being Etamin.