the constellations that border Aquila are Hercules, Delphinus, and Scutum. There are many more.
SagittaHerculesOphiuchusSerpens CaudaScutumSagittariusCapricornusAquariusDelphinus
VulpeculaSagittaHerculesOphiuchusScutumSagittariusCapricornusAqauriusDelphinus
Aquila is a constellation containing a lot of stars, at different distances. Aquila is not at a particular distance.
Aquila
You can find it
Aquila. It is just to the north of Capricorn and Sagittarius.
Aquila is Latin for 'eagle' because the constellation looked like an Eagle.See related link for a pictorial
Altair is the brightest star in the Aquila constellation.
aquila
the answer is Altair
Constellation Aquila
Altair